Which of the following vitamins has some physiological effects similar to those of parathormone?
Vitamin- $A$
Vitamin- $D$
Vitamin- $C$
Vitamin- $B$
Figure shows human urinary system with structures labelled $A$ to $D$. Select option which correctly identifies them and gives their characteristic and/ or functions.
Some hormones check the milk from being secreted by the mammary glands till the birth of young ones even though the glands are all prepared to do so. They are
Which of the following gland is responsible for immunity in human ?
Insulin is produced by
Cushing's syndrome and myxoedema are associated with these glands respectively