Duodenum has characteristic Brunner's glands which secret two hormones called
(a) kinase, estrogen
(b) secretin, cholecystokinin
(c) prolactin, parathromone
(d) estradion, progesterone
(b) Brunner's gland secrete large amount of mucus and bicarbonates to protect duodenal mucosa and to neutralise the acidic chyme. It also secretes two hormones
(a) Secretin b) Cholecystokinin (CCK)
(i) Secretion of pancreatic juice by pancreas.
(ii) Release of bile from gall bladder.
(ii) Formation of bile by liver and pancreatic juice.