Which of the following regulates blood pressure and heart rate?

Angiotensin is derived from the plasma protein $angiotensinogen$ by the action of renin and other stimuli. Angiotensin stimulates which of the following glands?

Which hormone regulates the function of the zona glomerulosa of the adrenal gland?

Epinephrine and norepinephrine are both collectively known as:

$A$ person entering an empty room suddenly finds a snake right in front on the right side. Which one of the following is likely to happen in his neuroendocrine system?

Aldosterone is secreted by . . . . . . .