Question

Question 59:
(a) Why is small intestine in herbivores longer than in carnivores ?
(b) What will happen if mucus is not secreted by the gastric glands ?
(c) What causes movement of food inside the alimentary canal ?

Lakhmir Singh Biology Class 10

Answer 1

♡hii dear!!
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▪(a) Herbivores eat only plants so they need a longer small intestine to allow the cellulose present in the plants to be digested completely.

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▪(b) If mucus is not secreted, hydrochloric acid will cause the erosion of inner lining of stomach leading to the formation of ulcers in the stomach.
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▪(c) The contraction and expansion movements of oesophagus also called peristaltic movements pushes the food down into the elementary canal.
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hope help u!!