Question

Give a brief account of process of digestion of different nutrients in human being.

Nutrition in animals CBSE Class 7

May 20, 2024

Answer

Digestion in mouth

Starch → Saliva → Sugar

Digestion in stomach: Stomach secrets mucous, hydrochloric acid and digestive juices.

Mucous protects the lining of the stomach.
The acid kills the bacteria and provide acidic medium.
Digestive juices breakdown the proteins into simpler substances.

Digestion in small intestine: Liver secretes bile juice, that helps in digestion of fats. Pancreas secretes pancreatic juice which acts on carbohydrates and proteins and converts into simpler form.

Intestinal juice completes the digestion of all components of food. Such as:

Carbohydrates → Glucose Fats → Fatty acids and glycerol Proteins → Amino acids

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Give a brief account of process of digestion of different nutrients in human being.

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