Which of the following organ systems is a collection of glands that coordinates functions of the body by chemicals? endocrine system musculoskeletal system nervous system reproductive system

The Endocrine system.

How:

Hypothalamus and Pituitary Gland

The hypothalamus is the link between the nervous and endocrine systems. It is a section of the brain responsible for maintaining homeostasis. The hypothalamus sends out nerve messages that control sleep, hunger, and other basic body processes. It also controls the pituitary gland, which is right next to it in the brain.

The pituitary gland is a pea-sized structure attached to the brain. It's considered the "master gland" because it produces hormones that control other endocrine glands. It also regulates processes such as growth, blood pressure, and water balance.

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you can find happiness by thinking about your past that has full of happiness.

explanation:

answer; i believe that the correct answer is (a) restriction);