ANIMAL PHYSIOLOGY
DIGESTION IN HUMANS
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Almost all the nutrients that result from digestion are absorbed in the small intestine because it
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has a very large surface area.
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is has a high concentration of white blood cells.
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is small.
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contains lymph.
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Explanation:
Detailed explanation-1: -The lining of the small intestinal mucosa is very highly specialized for maximizing digestion and absorption of nutrients. The lining is highly folded to form microscopic finger-like projections called villi which increase the surface area to help with absorption.
Detailed explanation-2: -The small intestine absorbs most of the nutrients in your food, and your circulatory system passes them on to other parts of your body to store or use. Special cells help absorbed nutrients cross the intestinal lining into your bloodstream.
Detailed explanation-3: -Finger-shaped structures called villi line the entire small intestine. They help absorb nutrients.
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