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devlian [24]
3 years ago
15

Name the parts of the digestive system which acts like a speed bump to control the movement of food in our alimentary canal.

Biology
1 answer:
rosijanka [135]3 years ago
4 0

Answer:

circular folds

Explanation:

The movement of food in the body's alimentary canal <em>(the passage of food from the mouth towards the anus) </em>is aided by "peristalsis."

"Peristalsis" is an involuntary movement of the circular and longitudinal muscles found within the digestive tract. This movement occurs in the <u>esophagus, stomach and small intestine.</u>

Along the<em> jejunal intestinal wall</em> are the "circular folds." These folds are thick and stretches towards the "lumen." They function as speed bump control by slowing down the food passage and increasing the surface area necessary for <em>absorption</em>. After being absorbed, they will then be moved forward toward the large intestine.

So, this explains the answer.

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The given assessment is the part of the clinical examination because external features such as skin, eyes and tongue can be examined in a clinical study to identify the disease or disorder and it's cause.    

6 0
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A mutation that involves a single nucleotide is called.
alina1380 [7]

Answer:

Point mutations are a broad category of mutations that describe a change in a single nucleotide of DNA, such as a substitution for another nucleotide, deletion of a nucleotide, or insertion of a single nucleotide into the DNA, resulting in DNA that differs from the normal or wild type gene...

or you can say:

Point mutations are a large category of mutations that describe a change in single nucleotide of DNA, such that that nucleotide is switched for another nucleotide, or that nucleotide is deleted, or a single nucleotide is inserted into the DNA that causes that DNA to be different from the normal or wild type gene ...

8 0
2 years ago
After chemical weathering, what happens to the chemical makeup of the weathered rock?
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Answer:

rock changes its form

Explanation:

Hope was helpful

If yes than plz ❤️

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