Assertion: During micturition, urine is prevented from flowing back into the ureters. Reason: Urethral sphincters contract during micturition
Parasympathetic activity during micturition causes :-
During micturition, the urinary bladder …………. and the urethral sphincters ………..
Give the names of the hormones released by neurohypophysis. A boy shows excessive thirst and micturition because of deficiency of a hormone secreted by neurohypophysis. Name the disease he is suffering from.
Medulla oblongata controls I. breathing and blood pressure II. Gut peristalsis and gland secretion III. Vasodilation and vasoconstriction IV. Laughing and micturition
Assertion. The urinary bladder has a well developed, 3-layered detrusor muscle in its wall. Reason. Bladder gradually contracts to drive urine out during micturition.
Fill in the blanks with appropriate words : (a) During micturition, the urinary bladder .......and the urethral sphincters ...... . (b) Flame cells and malpighian tubules are found in ...... And......, respectively. (c) Blood enters the glomerulus through .......arteriole and leaves via the.....arteriole. (d) Two counter-current systems are formed in the kidney by the .....and the....... . (e) Sweat serves to eliminate mainly .......and........ .
