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Question

Biology Question on Parts of the digestive system

Duodenum has characteristic Brunners glands which secrete two hormones called

A

kinase, oestrogen

B

secretin, cholecystokinin

C

prolactin, parathormone

D

estradion, progesterone

Answer

secretin, cholecystokinin

Explanation

Solution

Brunner's gland secrete large amount of mucus and bicarbonates to protect duodenal mucosa and to neutralize the acidic chyme. It also secretes two hormones:
[a] Secretin
[b] Cholecystokinin (CCK)
These stimulate-
(i) Secretion of pancreatic juice by pancreas
(ii) Release of bile from gall bladder
(iii) Formation of bile by liver and pancreatic juice