5.what are villi? What is their location and function?
6. Where is the bile produced? Which component of the food does it help te
digest?
7.Name the type of carbohydrate that can be digested by ruminants but
not by humans. Give the reason also.
8.Why do we get instant energy from glucose?
10. Write one similarity and one difference between the nutrition in amoeba and human beings.
Answers
Answer:
villi is the finger like projections in the small intestine and their functions is to increase the surface area for absorption in small intestine
5. Villi are small finger-like outgrowths present that help in the process of absorption. These are located in theinner walls of the small intestine. Itsfunction is to increase the surface area of the small intestinal wall to absorb the digested food.
6. Bile is produced in liver. The bile juice stored in sac called the gall bladder. It helps in the digestion of fats.
7.Cellulose is a type of carbohydrate that can be digested by ruminants and not byhumans. ... On the other hand, humans cannot digest cellulose, as the cellulose digesting enzymes are absent in them.
8.Carbohydrates, when consumed, have to be digested intoglucose. As glucose can be easily absorbed in blood, it provides energyto the body. Hence, when glucose isdirectly taken, it does not have to be digested and thus acts as an instantsource of energy.
10.Human beings have a complex digestive system and different nutrients are digested in separate regions. Amoeba does not have a digestive system and all the nutrients are digested in the food vacuole.
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