Question

Why is the inner wall of alimentary canal not digested despite of the fact that the
digestive enzymes can digest all the materials that make cell​

Answer 1

Answer:

Inner wall of alimentary canal is not digested by the digestive enzymes because a layer of mucus protects the inner wall of alimentary canal from digestive enzymes.

Answer 2

Answer:This is because of mucous that is present in the alimentary canal the mucous doesn't allow the HCl acid produced in the stomach to come in contact with the skin as it creates an inner lining .

Hope this helped

Explanation: