Platelets adhere to damaged vessel walls, aggregate, and release clotting factors, forming a plug and initiating the coagulation cascade. RBCs carry oxygen, WBCs fight infection, lymphocytes are immune cells.
Explanation:
GIP (glucose-dependent insulinotropic peptide) is released from the small intestine in response to fat and glucose, inhibiting gastric secretion and motility. Gastrin stimulates acid secretion, secretin stimulates bicarbonate, CCK stimulates gallbladder contraction.
Explanation:
The pancreas acts as an exocrine gland (secreting digestive enzymes into the duodenum) and an endocrine gland (secreting insulin and glucagon into blood). The liver has metabolic but not major endocrine function, spleen is lymphoid, gall bladder stores bile.
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