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Digestive System — BIOLOGY STD 6 — Question

ICSE BoardEnglish MediumSTD 6BIOLOGYDigestive System3 Marks
Question
Name the digestive juice secreted by the stomach and give its function.
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Answer

The digestive juice secreted by the stomach is the gastric juice.
The gastric juice contains
  1. — water
  2. — hydrochloric acid
  3. — enzyme
Which have the following roles:
  1. Hydrochloric acid serves to kill the germs and activates pepsin. Pepsin converts proteins into peptones and proteoses.
  2. Enzyme rennin converts the milk casein into curd.

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