Chemical Coordination and IntegrationHard
Question
Heart beat increases at the time of interview because of
Options
A.renin
B.rennin
C.adrenaline
D.Diuretic ADH
Solution
Adrenaline (amine hormone ) is secreted by adrenal medulla on stimulation of sympathetic nervous system for meeting an emergency or stress condition like fear injury accident ect Hence it also called as emergency hormone. It increases blood pressure, respiration rate, sugar level in blood etc. it prepares the body to face stress at the time of interview by increasing heart beat. So it is also called stress hormone. Renin is proteolytic enzyme synthesized, stored, and secreted by the juxtaglomerular cells of the kidney . It plays a role in regulation of blood pressure by catalyzing the conversion of angiotensinogen to angiotensin I and II which in turn stimulates the release aldosterone from adrenl gland. Rennin, a coagulating enzyme produced from the stomach of human body, catalyzes the congulation of milk by converting milk protein, caesin in to paracaesinate. ADH (antidiurctic hormone) is secreted by the posterior protein of the pituitary gland that constracts blood vessels raises blood pressure, and reduces excration of urine.
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