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Hormones and Your Endocrine System

The endocrine system makes hormones. These are chemicals that control and coordinate many things in your body. This includes your:

  • Metabolism

  • Energy level

  • Reproduction

  • Growth and development

  • Response to injury, stress, and environmental factors

Below is a list of hormones what they do in your body:

Hormone name

Where the hormone is made

What the hormone does


Adrenal glands

Controls salt, water balance, and blood pressure

Cortisol (corticosteroid)

Adrenal glands

Controls key functions in the body. Acts as an anti-inflammatory. Controls blood sugar levels, blood pressure, and muscle strength. Controls salt and water balance.

Antidiuretic hormone (vasopressin)

Pituitary gland

Affects water retention in kidneys and sodium balance. Controls blood pressure.

Adrenocorticotropic hormone (ACTH)

Pituitary gland

Controls the making of cortisol and other steroids in the adrenal glands.

Growth hormone (GH)

Pituitary gland

Affects growth and development. Promotes the making of protein. Affects where fat is on the body.

Luteinizing hormone (LH) and follicle-stimulating hormone (FSH)

Pituitary gland

Controls the making of sex hormones (estrogen and testosterone) and the making of eggs and sperm.


Pituitary gland

Triggers contraction of the uterus and milk release in breasts during breastfeeding. May play a role in trust and bonding, especially between parents and children.


Pituitary gland

Starts and keeps up the making of milk in breasts. Affects sex hormone levels.

Thyroid-stimulating hormone (TSH)

Pituitary gland

Triggers the making and release of thyroid hormones



Controls blood pressure



Affects the making of red blood cells (RBCs)



Raises blood sugar levels



Lowers blood sugar levels. Triggers the metabolism of glucose, protein, and fat.



Affects growth and function of uterus and breasts. Helps protect bone health.



Grows the lining of the uterus for fertilization. Prepares the breasts for making milk.

Parathyroid hormone (PTH)

Parathyroid glands

Plays the most important role in controlling blood calcium levels

Thyroid hormone

Thyroid gland

Controls metabolism. Affects growth, maturation, and nervous system activity.


Adrenal glands

Increases heart rate, oxygen intake, and blood flow


Adrenal glands

Maintains blood pressure


Testes (testicles)

Controls sexual growth and function. Helps protect bone health.


Pineal gland

Helps with sleep

Growth hormone- releasing hormone (GHRH)


Controls growth hormone release in the pituitary gland

Thyrotropin-releasing hormone (TRH)


Controls thyroid stimulating hormone (TSH) release in the pituitary gland

Gonadotropin-releasing hormone (GnRH)


Controls the making of LH/FSH in the pituitary gland

Corticotropin-releasing hormone (CRH)


Controls adrenocorticotropic hormone (ACTH) release in the pituitary gland

Humoral factors


Helps develop the immune system during puberty

Online Medical Reviewer: Raymond Kent Turley BSN MSN RN
Online Medical Reviewer: Ricardo Rafael Correa Marquez MD
Online Medical Reviewer: Sabrina Felson MD
Date Last Reviewed: 3/1/2023
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