The hormone responsible for fight, fright and flight response is
When a normal heart is injected with physiological concentration of adrenalin, it shows
Name the three main regions of adrenal cortex.
Which hormone causes dilation of blood vessels, increased oxygen consumption and glycogenolysis?
Select the correct option on the basis of following sentences : This gland's :
$(I)$ Hormones increase alterthess
$(II)$ Hormones increase the heart beat
$(III)$ Stimulate the breakdown of glycogen
$(IV)$ Stimulate the breakdown of lipids and proteins