A mechanism for evolutionary change is explained by Charles Darwin.
Evolution- Any cumulative or net change in an organism's or population's features over a long period of time is considered evolution, or descent with modification. It specifically takes both the beginning and the spread of alleles, variations, trait values, or character states into account.
Alleles- The term "allele" is used to refer to a gene's alternate form or variants.
Variation- Any distinction between cells, individuals, or populations of any species that results from genetic variations (genotypic variation) or the influence of environmental conditions on the development of genetic potentials (phenotypic variation).
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Coral bleaching results from a loss of the dinoflagellate endosymbiote. What is the metabolic result on the coral from coral bleaching?.
Coral bleaching results from a loss of the dinoflagellate endosymbiont. The metabolic result on the coral from coral bleaching is the byproducts of photosynthesis are unable to provide the coral with energy.
The metabolic results on coral are many which are from coral bleaching when corals become white as a result of numerous stressors, such as variations in temperature, light, or nutrition, the process is known as coral bleaching. The algae (zooxanthellae) that dwell inside coral polyps are shed during bleaching, turning the coral white as a result.
The photosynthetic zooxanthellae start to create reactive oxygen species as the water temperature rises. The coral expels the zooxanthellae since this is poisonous to it. Coral tissue turns transparent, exposing the coral's calcium carbonate skeleton since the majority of the coral pigmentation is produced by zooxanthellae.
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When our bodies overcome the offensive tactics of a particular microorganism, this is referred to as? a) therapy. b) colonization. c) disease. d) resistance. e) deficiency.
When our bodies overcome the offensive tactics of a particular microorganism, this is referred to as resistance.
Tolerance is defined as the capacity to limit the health effects brought on by a particular pathogen burden,
whereas resistance is defined as the capacity to restrict pathogen burden. The total of these two defence mechanisms determines a host's level of defence.
The immune response status is correlated with the onset of host-pathogen interactions, variations and exposure to host attackers, the length and intensity of the body's initiated response, and the underlying mechanisms in developing resistance to specific invaders, which would otherwise pose a serious threat to life expectancy and survival.
It is thought that altering cellular programming has enormous potential as a therapeutic tool and as a new treatment strategy.
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What adaptation is commonly found in organisms of deep pelagic and benthic communities?
Gigantism is the adaptation commonly found in organisms of deep pelagic and benthic communities.
What is adaptation?The biological process through which organisms adapt to new surroundings or modifications in their present settings is known as adaptation in evolutionary theory. Even while adaptation was a topic of discussion among scientists before the 1800s, Charles Darwin and Alfred Russel Wallace did not create the idea of natural selection until then.
Wallace thought that adaptation of organisms to shifting environmental conditions was somehow related to the evolution of species. Wallace and Darwin both went beyond basic adaptation when formulating the notion of evolution by natural selection by describing how organisms adapt and evolve.
According to the theory of natural selection, features that may be handed down enable animals to adapt to their environment more effectively than other members of their own species. As a result, the species evolves because it can survive and reproduce better than other members of the species.
Therefore, gigantism is an adaptation found in deep pelagic and benthic communities.
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A(n) ______ nutrition state occurs when body tissues have enough essential nutrients from a variety of foods to support metabolic functions.
When bodily tissues have enough vital nutrients from a variety of diets to sustain metabolic processes, this is a desirable nutrition state.
What do we mean by nutrition?A balanced meal should be consumed for good nourishment. You can get the nutrition and energy you need from food and drink. Making better eating decisions may be made simpler for you if you understand these nutrition terminology. Find out more definitions for vitamins, minerals, general health, fitness, and general wellness.
Who was the father of nutrition?In 1770, the father of chemistry and nutrition, Antoine Lavoisier, discovered metabolism, the body's process of converting food and oxygen into heat and water to produce energy.
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Nettie is in the laboratory working with cultured neurons. she wants to record the voltage following the opening of the sodium channels. what does she need to do to get the sodium channels to open?
What Nettie needs to do to get the sodium channels to open is as follows;
Add a solution that will lead to the membrane depolarizationWhat are the sodium channels and what is their function?Sodium channels function as rapid transmitters of impulses that causes depolarization all through cell networks and cells, such that processes such as cognition and locomotion, which are higher processes are enabled
The regular state of sodium channels is a "closed" or resting state at which state (condition) sodium ions are not conducted. The act of membrane depolarization stimulation, activates or results in the sodium channels being "opened".
When voltage–gated sodium channels open allowing the influx of sodium ions, results in depolarization.
Therefore, to open the get the sodium channels to open, Nettie should;
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The body adapting to a gradual increase in the amount of exercise is the definition of which aspect of exercising?
According to the research, the correct option is progressive overload. The body adapting to a gradual increase in the amount of exercise is the definition of progressive overload.
What is progressive overload?It refers to a type of training designed to gradually improve or increase athletic performance over time by increasing the difficulty of the training either by gradually increasing the weight with the same repetitions.
In this sense, to increase any parameter of physical conditioning (strength, size, resistance) the weight of the loads, the number of series or the number of training sessions must be increased and the body must be adapted and conditioned.
Therefore, we can conclude that according to the research, the correct option is progressive overload. The body adapting to a gradual increase in the amount of exercise is the definition of progressive overload.
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All of the actinoids are:
Answer:
Option three
Explanation:
Radioactive elements
Consider the currently accepted fluid mosaic model of the plasma membrane. where in the membrane would carbohydrates most likely be found?
On the outer side of the membrane, carbohydrates are most likely to be found.
Major components of the cell membrane, carbohydrates are found on the cell's outermost surface, where they are coupled to lipids or proteins. Major components of the cell membrane, carbohydrates are found on the cell's outermost surface, where they are coupled to lipids or proteins. The carbohydrates in the membrane serve as a physical barrier and aid in cell attachment and recognition. Molecules that are large and neutral, like glucose, cannot diffuse through membranes. Glycolipids are lipids and carbohydrates found in membranes. They make up 5% of the lipids in the membrane of the cell. Glycolipids come in three different varieties: glycophosphatidylinositols, glycoglycerolipids, and glycosphingolipids. These carbohydrate chains aid in the identification of cells.
Fatty acids are the primary building blocks of the lipids and proteins that make up cell membranes. The two primary types of membrane lipids are sterols and phospholipids.
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The restriction endonuclease ecori cleaves the dna sequence 5'-gaattc-3' in such a way as to leave a 5' overhang, which is often referred to as a "sticky end". to what does this sticky end adhere?
The restriction endonuclease EcoRI cleaves the DNA sequence 5'-GAATTC-3' in such a way as to leave a 5' overhang, which is often referred to as a "sticky end". To 5' overhang with the complementary sequence this sticky end adhere.
The palindrome EcoRI restriction site breaks DNA after G and creates sticky ends with AATT. G/corresponding AATTC's DNA sequence is CTTAA/G, where "/" designates the location of the peptide bond break.When the ssDNA sequence 5'-GAATTC'-3 is recognised by the restriction endonuclease EcoRI, a single-strand cut is made between the G and A nucleotides.At the ultimate end of double-stranded DNA, an overhang is single-stranded DNA. This can occur on either strand, and if it does, there will either be a 5' overhang on the 5' end of the strand or a 3' overhang on the 3' end of the strand.To learn more about DNA.
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_____________ bacteria lack an outer membrane, have a thick layer of peptidoglycan, contain teichoic acid, and lack mycolic acid.
Gram positive bacteria lack an outer membrane, have a thick layer of peptidoglycan, contain teichoic acid, and lack mycolic acid.
Gram Positive Bacteria- Gram-positive microorganisms are identified by the color they take on when stained. The staining technique was invented by Hans Christian Gram in 1884. The peptidoglycan cell wall present in gram-positive organisms retains the crystal violet dye used in the staining process.
Peptidoglycan cell wall- In most bacterial species, the cytoplasmic membrane is encased in a hard material called peptidoglycan. It helps maintain cell shape throughout the life cycle and shields bacterial cells against environmental stress. The production of peptidoglycans has a significant role in controlling bacterial cell division.
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Determine fluid movement when hydrostatic pressure exceeds colloid osmotic pressure at the arteriolar end of the capillary?
Water pushes the capillary by filitration. The internet strain that drives reabsorption is the motion of fluid from the interstitial fluid lower back into the capillarie which is known as osmotic strain ,every now and then called osmotic strain.
The hydrostatic stress of the blood forces fluid the arteriolar ends of capillaries into the interstitial areas of the tissues . that of tissue fluid, water returns via way of means of osmosis to the venular stop of capillaries .
The hydrostatic strain is extra than the osmotic strain, so the internet motion favors water and different solutes being handed into the tissue fluid. At the venous end, the osmotic strain is extra, so the internet motion favors materials being handed lower back into the capillary.
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What four structures are located in the axial portion of the body? multiple select question.
Answer:
Following four structures are located in the axial portion of the body:
Within the center core of the human body, there are 80 bones that make up the central axis of the body. The head, laryngeal skeleton, vertebrae, and thoracic cage are all parts of the axial skeleton. Skeletal bones are separated into two categories. The bones that make up the bony structures along the whole body's long axis are all part of the axial skeleton. The remaining skeleton is made up of something like the appendicular skeleton's bones plus muscles, which are termed that since they are extensions of the axial skeletal system. All bones of the shoulder joint, upper limbs, pelvic bones, and lower limbs make form the appendicular skeleton.
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The esophageal mucosa is different from that of the abdominal gi tract organs in that it is composed of thick ______ epithelium. multiple choice question.
The oesophageal mucosa is different from that of the abdominal gi tract organs in that it is composed of thick Non-keratinized stratified squamous epithelium.
The stratified squamous epithelium is made up of several layers of cells, with squamous cells making up the apical layer and several layers below it, but cuboidal to columnar cells making up the deeper layers. . The cells in the superficial layers are driven towards the surface where they are shed due to the ongoing cell division in the lower (basal) layers.
Non-keratinized stratified squamous epithelium is an epithelium in which the cells are moistened by salivary or mucus gland mucus rather than a significant amount of keratin deposits.The surface layer's flattened cells in this instance still have their nuclei and perform the majority of their metabolic duties.Non-keratinized stratified squamous epithelium is typically found in places that require moisture maintenance or are susceptible to dryness because it has fewer keratin deposits.The amount of keratin present in this epithelium varies depending on the age of the tissue layer and the degree of mechanical stress it has endured.This epithelium's cells may potentially create small amounts of mucus and other lubricating agents to keep the surface from drying out.To learn more about stratified squamous epithelium visit the link:
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A genetic condition results in the absence of sweat glands. how might this condition affect temperature regulation of the scrotum and testicles?
By increasing the temperature of scrotum and testicles.
Due to irrelevant words, the brainly is not accepting the answer.
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Mutations are changes in the DNA of an organism. Changes caused by mutations can affect the structure and function of different
proteins in the body. Three changes caused by mutations are described below:
• Having two different-colored eyes is caused by a mutation that results in increased or decreased pigmentation in one of the
eyes. While this mutation affects the coloration of the eye, it does not affect how the eye functions.
• Cystic fibrosis is caused by the mutation of a protein in the lungs that causes a sticky mucus to build up in the lung tissue. This
build up of mucus can make it difficult for a person to breathe.
• Bone density can be affected by a mutation. This mutation can cause very dense bones that are almost unbreakable.
What is true about mutations in organism?
A. Changes caused by mutations always have negative effects on an organism.
B. Changes caused by mutations can be harmful, beneficial, or neutral to an organism.
C. Changes caused by mutations always have positive effects on an organism.
D. Changes caused by mutations never have an effect on an organism's cells.
?
Changes caused by mutations can be harmful, beneficial, or neutral to an organism.
The outcome of a mutation, or alteration in the DNA structure. Mutations can have a wide range of impacts, from being advantageous to having no effect to having fatal consequences, and everything in between.The majority of mutations on the organism they occur in have neither good nor bad effects. Neutral mutations are the name given to these mutations.Some mutations benefit the organism in which they take place. They are known as advantageous mutations. They result in novel protein variants that aid organisms in adjusting to environmental changes.Any arbitrary alteration to a gene's DNA is likely to produce a protein that performs improperly or not at all. Such alterations are probably detrimental.Therefore, option B. is correct.
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Hydrolysis _____ a water molecule.
a. joins compounds by removing
b. breaks down compounds by removing
c. joins compounds by adding
d. breaks down compounds by adding
Hydrolysis breaks down compounds by adding a water molecule.
Hydrolysis is a reaction that breaks down the chemical bonds between molecules via the addition of a water molecule.
For example, hydrolysis of high-energy compound (ATP) using water:
ATP + H2O → ADP + Pi
ATP is short for adenosine triphosphate.
Adenosine triphosphate converts to either the adenosine diphosphate (ADP) or adenosine monophosphate (AMP), in this process energy is released.
Another examples, hydrolysis of an ester gives a carboxylate and an alcohol. Hydrolysis of a fat gives glycerol and fat acids. Hydrolysis of an ester gives an alcohol and a carboxylic acid.
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Click and drag each label to the appropriate category regarding the cells of connective tissue.
The cells and connective tissues are arranged as follows;
Fibroblast-
1). Produces the ground substance of areolar connective tissue
2). Found in dense regular connective tissue
Osteoblast
1). Found in femur
2). Secretes hydroxyapatite
Leukocyte (WBC)
1). Reacts to bacteria.
2). Component of fluid connective tissue (i.e. blood)
Chondroblast
1). Secretes the matrix of hyaline cartilage
2). Associated with the tissue that lines movable joints.
What is Fibroblast?Fibroblasts are non-terminally differentiated mesenchymal cells produced from embryonic mesoderm tissue.
They can be activated by a number of chemical cues that enhance proliferation and cellular differentiation, resulting in the formation of myofibroblasts with an increased rate of matrix creation.
What is Chondroblast?Chondroblasts (also known as perichondria cells) are cells that play a crucial part in cartilage production (AKA chondrogenesis).
They are found in the perichondrium, a connective tissue layer that surrounds growing bone and protects cartilage.
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Symmetry is ____structural support is______ energy acquisition is _____ phyla is:____
Symmetry is bilateral. structural support is endoskeleton. energy acquisition is heterotrophic. phyla is mollusca.
What type of symmetry is bilateral?The sagittal plane, which divides an organism into two roughly mirror-image left and right halves - approximate reflectional symmetry - is present in all bilaterally symmetric organisms.
What is the structure of endoskeleton?Essentially, there are two types of tissues that make up the vertebrate endoskeleton (bone and cartilage). The notochord and cartilage make up the endoskeleton during the early stages of embryonic development. In most vertebrates, the vertebral column replaces the notochord, and bone typically takes the place of cartilage in adulthood.
What type of phylum is Mollusca?With more than 100,000 species, the phylum Mollusca is the second biggest in the animal kingdom. The mollusca contain numerous well-known creatures, such as clams, snails, slugs, and squid, as well as some uncommon creatures, such as tusk shells and chitons.
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Mechanical stress from manual labor accelerates keratinocyte multiplication. this results in formation of:________
Mechanical stress from manual labor accelerates keratinocyte multiplication. this results in formation of: callus
What stage of a keratinocyte's existence is it in?A basal keratinocyte has recently undergone mitosis to split into two new basal keratinocytes in the basal layer of the skin, the innermost stratum. This newly formed cell begins to divide, giving rise to numerous other keratinocytes.
During their about one-month long life cycle, keratinocytes undergo morphological modifications. From the basal layer, where keratinocytes are formed, to the superficial layer, where they die and separate from the epidermis, the changes occur gradually.
Depending on whether they are differentiated or undifferentiated, keratinocytes can range in size. In vivo, the size is thought to range from 15 to 50 micron.
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Please help this is an Earth Science question
The gravitational force between two objects is proportional to the inverse of the square of the distance of separation.
What is gravitational force?Gravitational force is the force of attraction that exists between two bodies due to their masses and the distance of separation.
All object having a mass m, attract each other or exert a gravitational force on one another.
On conclusion, gravitational force is attractive force that exist between two object due to their respective masses.
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A common technique that encourages partners to rebuild their sexual repertoire through a gradual progression from non-sexual touching to sexual contact is:____
A common technique that encourages partners to rebuild their sexual repertoire through a gradual progression from non-sexual touching to sexual contact is sensate focus. Sexual repertoire refers to the activities (both unpartnered and partnered) about which adolescents learn, gain experience, and make decisions.
A doctor can only detect if you're common sexually active if you're scheduled for a pelvic or rectal exam and have recently had a partner ejaculate inside of you during . Because sperm can live inside the body for up to 5 days, your doctor may notice it during your exam. with coitus as the sine qua non of sexual activity.
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Pa regulations require that operators standing in close proximity (within 2 meters) of the x-ray source must wear at least _____ mm of lead equivalent personnel protective shielding such as an apron.
For a tube potential of 100 kVp, a 0.5 mm lead sheet (control) attenuated the primary X-ray beam by 98%.
What is an X-ray?An X-ray or, much less often, an X-radiation is a penetrating kind of high-energy electromagnetic radiation. The majority of X-rays have wavelengths between 10 picometers and 10 nanometers, which translates to energies between 145 eV and 124 keV and frequencies between 30 petahertz and 30 exahertz.
What are the many X-ray types?There are various x-ray types, including:Plain x-rays or plain radiography.CT scanning, often known as computed tomography.Using fluoroscopy, you can see an organ in motion.Mammography is a breast x-ray procedure.Angiography is a blood vessel x-ray procedure.To know more about X-ray visit:
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What would be the efect on the properties of the water molecule if oxygen and hydrogen?
The effect on the properties of the water molecule if oxygen and hydrogen had equal electronegativity the water molecules would lack polarity, that results in no hydrogen bonding between water molecules.
What is electronegativity?The tendency to attract the shared electron by the atom is known as electronegativity. Atomic number impose affect on electronegativity of an element.
Groundwater is defined as water present in underground water below the soil as well as in crack of the earth. The percentage of freshwater in the world is 30%. There are mainly three types of groundwater and these are hand-dug wells, springs, and drilled boreholes.
The water stored under the ground are obtained from rain and stored in ground so that it can be used later. Ground water is very clean and fit for drinking and the reason is the soil present on top and work as filter and the groundwater is free from all microorganisms.
Therefore, the water molecules would lack polarity, that results in no hydrogen bonding between water molecules.
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The accumulation of organic molecules in the early oceans formed a medium known as the:_________-
probiotic soup
The accumulation of organic molecules in the early oceans formed a medium known as the probiotic soup.
How did organic molecules come to be present?Most likely, the earliest organic molecules were relatively basic carbon-based compounds with few atoms. These molecules then merged to create more complex molecules by joining forces with other simple molecules. More complex and stable molecules created over many years and most likely trillions of trillions of chemical events.Which organic compounds could have been created on the early Earth?In other words, more complex organic compounds like amino acids, sugars, fatty acids, and nitrogen bases—the building blocks of modern life—were created as a result of the spontaneous interaction of molecules that were already present in the early earth's atmosphere.To learn more about organic molecules in early oceans visit:
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3. Sulfur dioxide emitted from power plants eventually causes acid rain in the atmosphere. Which term best describes acid rain?
A. Secondary pollutant
B. Primary and secondary pollutant
C. Primary pollutant
D. Greenhouse gas
Sulfur dioxide emitted from power plants eventually causes acid rain in the atmosphere best describes acid rain is a secondary pollutant.
Sulfur dioxide emitted from power plants eventually causes acid rain in the atmosphere, Primary pollutant is the term best describes acid rain.
What is meant by Primary pollutant?
An air pollutant released directly from a source is referred to as a primary pollutant.
Examples of primary pollutants are particulate matter, carbon monoxide (CO), nitrogen oxides (NOX), sulfur dioxide (SO2), and carbon dioxide (CO) (PM).
Pollutants can be divided into three categories from an ecological standpoint: degradable, slowly degradable, and non-degradable.
The term "primary pollutant" best describes acid rain, which is eventually brought on by sulfur dioxide emissions from power plants.
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ASAP Think about objects that have density. Compare two types of foods by explaining which one is denser.
Amino acids that must be obtained through food and cannot be synthesized in the body are called?
The cell theory includes different tenets to explain the organization of life. what principles comprise the cell theory? check all that apply.
The principles that comprise the cell theory are:
(i) All living organisms are composed of cells and products of the cells.
(ii) All cells arise from pre-existing cells.
In 1838, Matthias Schleiden, a botanist, did research on plants and discovered that all plants are made of cells.
At around the same time, Theodore Schwann, a zoologist , studied different types of animal cells and concluded that they are also composed of cells.
Schleiden and Schwann together gave the cell theory.
But a major drawback of this theory was that it could not explain how new cells are formed.
Rudolf Virchow, on careful analysis, observed that new cells are formed from pre-existing cells( Omnis cellula-e cellula).
Virchow gave the final shape to the cell theory based on the following points:
All living organisms are composed of cells and products of cells.
All cells arise from pre-existing cells.
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Which lung value remained relatviely unchanged when comparing a patient with an acute asthma attack, acute asthma attack with inhaler, and normal?
IRV (inspiratory reserve volume)
IRV (inspiratory reserve volume) lung value remained relatively unchanged when comparing a patient with an acute asthma attack, acute asthma attack with inhaler, and normal.
What is IRV?The amount of air that can be forcibly inhaled following a normal tidal volume is known as the inspiratory reserve volume (IRV). Deep breathing necessitates the utilization of IRV, which is typically maintained in reserve. 1900-3300 ml is the typical adult value.What brings to severe asthma attacks?Exposure to an allergen, such as dust mites, cockroaches, grass or weed pollen, or animal dander, can cause an asthma attack. Other frequent triggers are strong aromas like perfume and irritants in the air like smoke or chemical fumes.How does inspiratory reserve volume work?The extra volume of air that can be exhaled following a typical exhalation is known as the expiratory reserve volume (ERV). It is the amount held in reserve that may be exhaled in excess of what is typical. In contrast, the additional volume of air that can be inhaled after a typical inhalation is known as the inspiratory reserve volume (IRV).To learn more about inspiratory reserve volume visit:
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Epithelial cells that line the small intestine transport nutrients into the body. directional transport is associated with the epithelial tissue property of:_______-
The small intestine's epithelial cells carry nutrients into the body. The polarity of the epithelial tissue is related to directional transport.
What is the purpose of the intestine?Food digestion is its primary function. However, the gut serves a crucial function in fighting pathogens and maintaining the body's water balance in addition to producing a number of compounds that transmit messages to other regions of the body.
What organelles make up the intestine?Although the large intestine is one continuous tube, different processes take place in various portions of it. The colon, rectum, and anus are its three component sections. Partitioning is also possible for the colon. The six-inch-long entrance point is known as the cecum.
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