Why is the pituitary gland called the master gland?
It is the largest gland in the body.
It regulates the work of many glands in the body.
It helps the brain master higher-level thinking processes.
It controls the heart, which is the master pumping organ in the body.

Pituitary gland is known as the master gland because it influences the functioning of other glands like thyroid, testes, ovary etc for it's functioning as endocrine gland.

Therefore it regulates the work of many glands in the body.

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B. It regulates the work of many glands in the body

Explanation:

very