Answer:
Sympathetic Nervous System.
Explanation:
Sympathetic nervous system is one of the parts of Autonomic nervous system and the other part is Parasympathetic nervous system.
As a whole the autonomic nervous system controls the unconscious responses of our body.
The main function of the Sympathetic nervous system is to stimulate the 3F response of the body. Here 3F refers to Fight, Flight and Freeze. Adrenal gland is stimulated by this system which secretes adrenaline. Due to the effect of adrenaline heart neat increases, blood pressure increases, pupils dilate, sweat glands are activated, peristalsis in the gut is inhibited, and kidney secretion increases.
<span>Two types of sex cells are
> Sperm (in males)
> Egg or ovum (in females)
Sperm is produces in the testes.
Ovum or egg is produced in the ovaries.</span>
