Q1 of 34 Page 94

What is pancreas? Mention the major secretions of pancreas that are helpful in digestion.

Pancreas is a compound elongated organ situated between the limbs of the ‘U’ shaped duodenum.

The exocrine portion secretes an alkaline pancreatic juice containing enzymes and the endocrine portion secretes hormones, insulin and glucagon.


These secretions are major and are helpful in digestion.


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8

Does gall bladder make bile?

 9

Correct the following statements by deleting one of entries (given in bold).

a. Goblet cells are located in the intestinal mucosal epithelium and secrete chymotrypsin / mucus.


b. Fats are broken down into di- and monoglycerides with the help of amylase/ lipases.


c. Gastric glands of stomach mucosa have oxyntic cell / chief cells which secrete HCl.


d. Saliva contains enzymes that digest starch /protein.


 2

Name the part of the alimentary canal where major absorption of digested food takes place. What are the absorbed forms of different kinds of food materials?

 3

List the organs of human alimentary canal and name the major digestive glands with their location.