Question

12. What is the role of following in human digestive system – a) mucous b) Bicarbonate c) Trypsin

Answer 1

a)Mucus-There are several functions of mucus associated with digestive system..
When food is ingested,mucus helps in holding food substances together so it helps in easy passage and excretion of food

b)Bicarbonate - HCL produced in stomach is neutralised by bicarbonates as if there is more amount of acid it excoriates membranes..

C)trypsin- produced from small intestine it helps in digestion of proteins i.e proteolysis...

Answer 2

Explanation:

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