Young boys at puberty start growing facial hairs. This is an example of
Secondary sexual characters
Appearance of primitive characters
Metamorphosis
Protective colouration
Which gland is concerned with salt equilibrium in body?
Inflammatory responses can be controlled by a certain steroid. Name the steroid, its source and also its other important functions.
The hormone responsible for the sodium metabolism is
What are the effects of adrenaline on the body?
........ is middle layer of adrenal cortex