Q63 of 79 Page 54

What are the functions of gastric glands present in the wall of the stomach?

Gastric glands performs following functions:


(1) They release mucus which protect the stomach wall from its own secretions of hydrochloric acid.


(2) They produce gastric acid which makes acidic medium inside the stomach.


(3) They release the gastric enzymes pepsin and rennin.


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61

Explain the role of mouth in digestion of food.

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Why do veins have thin walls as compared to arteries?

 64

Match the terms in Column (A) with those in Column (B)























Column A



Column B



(a) Trypsin



(i) Pancreas



(b) Amylase



(ii) Liver



(c) Bile



(iii) Gastric glands



(d) Pepsin



(iv) Saliva


 65

Name the correct substrates for the following enzymes:

(a) Trypsin (b) Amylase (c) Pepsin (d) Lipase