Question

(a) Why is nutrition necessary for the body ?

(b) what causes movement of food inside the alimentary canal ?

(c) why is small intestine in herbivores longer than in cornivores ?

(d) what will happen if mucus is not secreted by the gastric glands ?​

Answer 1

Explanation:

answers)

1) Nutrition gives energy to our body to do work and other life sustaining processes.

2)it is the contraction and relaxion of musles

and this movement is called as peristalsis

3) to digest the cellulose present in leaves .

4)due to hcl and without mucus our stomach and other organs with burn

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