Question

Draw a neatly labeled diagram showing a peristaltic movement in oesophagus. Explain the importance of mucus on the walls of food pipe.

Answer 1

Answer:

this is the digram of peristaltic movement of oesophagus. the importance of mucus is to save it from HCl acid in our stomach. which is used to change the medium of the food to acidic and kills the bacteria present in it

Answer 2

Explanation:

ok

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