Young boys at puberty start growing facial hairs. This is an example of

$I.$ 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

What are the functions of gluco-corticoids?

…….. is middle layer of adrenal cortex

State location and types of adrenal gland.