Answer :
Pineal is a hormone that is released by the endocrine system.
What is endocrine system ?
The glands and organs that make hormones and release them directly into the blood so they can travel to tissues and organs all over the body.
What are 3 types of endocrine?
- Adrenal glands: Two glands that sit on top of the kidneys that release the hormone cortisol.
- Hypothalamus: A part of the lower middle brain that tells the pituitary gland when to release hormones.
- Ovaries: The female reproductive organs that release eggs and produce s.e.x hormones.
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