1. Aldosterone -
Functions :
a. Regulates the balance of water in the body.
b. It stimulates the reabsorption of Na+, water and excretion of K+.
b. It It helps in the maintenance of electrolytes, body fluid volume, osmotic pressure and blood pressure.
2. Cortisol :
Functions :
a. Maintains the cardio-vascular system as well as kidney functions.
b. Produce anti-inflammatory reactions and suppresses the immune response.
c. It stimulates the producion of RBCs.
Explain the following :
(a) Insulin lowers the blood sugar level.
(b) Hypothalamus and pituitary function as an integrated and coordinated system.
(c)Body growth is greatly accelerated at puberty in the male.
(d) Adrenal medulla and the sympathetic nervous system function as a closely integrated system.
(e) Pituitary gland regulates the reproductive system.
Write notes on the following :
i. Hypothyroidism
ii. Melatonin
