Question

Explain how digestion occur in human

Answer 1

Answer:

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In chemical digestion, enzymes break down food into the small molecules the body can use. In the human digestive system, food enters the mouth and mechanical digestion of the food starts by the action of mastication (chewing), a form of mechanical digestion, and the wetting contact of saliva.

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Answer 2

Digestion in stomach

Internal linning of stomach contains many gastric glands.They secret gastric juice that helps in digestion of food.The muscular wall of stomach helps in churning of food.

Digestion in Small Intestine

In Ileum, the digestion of food is completed in the small intestine.Absorption of digested food also take place through internal linning of small intestine.

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