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प्रश्न
How is the small intestine best suited for the digestion and absorption of food?
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उत्तर
The small intestine’s inner lining contains a large number of tiny finger-like projections called villi. The villi greatly increase the inner surface area for the absorption of digested food.
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संबंधित प्रश्न
Which part of the digestive canal is involved in:
Formation of faeces ______.
Match the items of Column I with suitable items in Column II.
| Column I | Column II | ||
| (a) | Salivary gland | (i) | Bile juice secretion |
| (b) | Stomach | (ii) | Storage of undigested food |
| (c) | Liver | (iii) | Saliva secretion |
| (d) | Rectum | (iv) | Acid release |
| (e) | Small intestine | (v) | Digestion is completed |
| (f) | Large intestine | (vi) | Absorption of water |
| (vii) | Release of faeces |
Pancreatic juice contains enzymes which digest ______.
List the enzymes and their action on food in the stomach and intestine.
Write short answers
What is peristalsis?
Name different steps involved in animal nutrition. Explain.
Correct the spellings: Disegion
Name the enzymes secreted by the following: Salivary glands
Describe the process of digestion in human beings.
The complete digestion and absorption of nutrients is done by the small intestine. Which of the following greatly enhances the process of absorbtion?
