Fightorflight reactions cause activation of
the parathyroid glands, leading to increased metabolic rate
the kidney, leading to suppression of renin angiotensinaldosterone pathway
the adrenal medulla, leading to increased secretion of epinephrine and norepinephrine
the pancreas leading to a reduction in the blood sugar levels.
Norepinephrine
$(i)$ is released by sympathetic fibers
$(ii)$ is released by parasympathetic fibers
$(iii)$ increases the heart rate
$(iv)$ decreases blood pressure.
Which of the above statements are correct ?
The mineralocorticoid hormone of the adrenal cortex which causes the $Na$retention and $K$ excretion is
Secretion of aldosterone in birds, man and other mammals is stimulated by
Which of the following is an emergency hormone