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7th Class Science Sample Paper Science Sample Paper - 7

  • question_answer
    Short Answer Type Questions-II Write the three components secreted by the inner wall of the stomach and their functions.

    Answer:

    The inner lining of stomach secretes the following components:
    (i) Mucus: It protects the lining of stomach.                                                                                              
    (ii) Hydrochloric acid: It kills the germs and makes the food acidic.                                                           
    (iii) Digestive juices: They help to break the proteins into simple substances.


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