Question

What gland controls all of the other glands in the body?

Answer 1

All the other glands in the body are controlled by Pituitary Gland.

Explanation:

Pituitary Gland is known as the 'Master Gland of the Body' or else it is known as Bandmaster of Endocrine Orchestra as it controls the functions of all other glands in the body.
It is located underside of the brain and is of a size of a large pea seed.