Answer:
Pituitary gland.
Explanation:
The endocrine system regulates many processes in the body, that go from reproduction to growth, metabolism and even sleeping. This system has many glands located in different parts of the body, and they use hormones to activate o reduce the body functions. One of the most important glands, is called the pituitary gland, located under the hypothalamus in the brain. This gland control growth, reproduction and also other glands.
