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 ?
$(i)$ and $(iii)$
$(ii)$ and $(iii)$
$(ii)$ and $(iv)$
$(i)$ and $(iv)$
On surgical removal of pituitary gland there is fall in levels of glycocorticoids and sexcorticoids. This is due to
Erythropoietin
$I.$ The adrenal cortex secretes many hormones called corticoids $II.$ Corticoids involved in carbohydrate metabolism are called glucocorticoids $III.$ Cortisol is main glucocorticoids $IV.$ Aldosterone is the main mineralocorticoids
Select the correct combination from the given options
Young boys at puberty start growing facial hairs. This is an example of