Concept:The pituitary gland is known as the "master gland" because it regulates and controls many other endocrine glands in the body.
Explanation:The pituitary gland is a small, pea-sized gland located at the base of the brain, just behind the nose.
It produces several hormones that direct the activities of other endocrine glands.
For instance, it stimulates the thyroid gland, adrenal glands, and reproductive organs to release their own hormones.
Because it coordinates hormone release across the endocrine system, it holds the highest position in hormonal control.
The thyroid gland secretes thyroxine, the pancreas secretes insulin and glucagon, and the adrenal gland secretes adrenaline.
However, the pituitary gland supervises the functions of these glands, making it essential for overall hormonal balance.
This is why it is referred to as the "master gland."
Answer:C. pituitary gland