1.

Give functions of the following :Enlist hormones secreted by GI tract and state their role.

Answer»

Gastrointestinal tract: 

In the gastrointestinal mucosa, certain ells are endocrine in function. These cells produce hormones which play vital role in digestive processes and flow of digestive juices.

1. Gastrin : This hormone stimulates gastric glands to produce gastric juice. 

2. Secretin : This hormone is responsible for secretion of pancreatic juice and bile from pancreas and liver. 

3. Cholecystokinin CCK/Pancreozymin PZ : This hormone stimulates gall bladder to release bile and stimulates the pancreas to release its enzymes. 

4. Entero-gastrone/Gastric inhibitory peptide (GIP) : It slows gastric contractions and inhibits the secretion of gastric juice.



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