1. Components: ---small gland or endocrine cell: islet of pancreas and corpus luteum ---endocrine gland: Thyroid gland Parathyroid gland Adrenal gland Pituitary gland(hypophysis) Pineal body
---skin is the largest organ of the body, it constitutes about 16% of body weight ---its total surface area is about 1.2-2.2 m2 ---function: protection, sensory reception, excretion and thermoregulation
▪ component urinary organs: kidneys micturition organs: ureter, bladder and urethra ▪ function ✓ discharge metabolite ✓ regulate the balance of water and electrolyte ✓ endocrine function: renin, erythropoietin, prostaglandin