Young boys at puberty start growing facial hairs. This is an example of
Secondary sexual characters
Appearance of primitive characters
Metamorphosis
Protective colouration
Angiotensin is derived from plasma protein "angiotensinogen'' by the action of renin and other nervous stimuli. Angiotensin stimulates the following
Adrenal glands are found located in abdominal cavity in close association with
What are the effects of adrenaline on the body?
Assertion : Our body secretes adrenaline in intense cold.
Reason : Adrenaline raises metabolic rate