Which hormone's secretion causes an increase in blood pressure and heart rate?

How many endocrine glands are located in the brain region?

Both adrenaline and cortisol are secreted in response to stress. Which of the following statements is true for both of these hormones?

Which system is responsible for the chemical control and coordination of our body?

The hypothalamic hormones reach the pituitary gland through$:-$

Which of the following statements are true/false?
$(a)$ Calcitonin regulates calcium metabolism.
$(b)$ Oxytocin stimulates contraction of uterine muscles during childbirth.
$(c)$ Graves' disease is caused by the underactivity of the adrenal gland.
$(d)$ $ADH$ stimulates water reabsorption and increases urine production.