Hormones are chemical messengers. They are made by glands in the body and circulate in the bloodstream to control the actions of certain cells and organs.

Here are the main hormones in the body and where they are produced:

• Hypothalamus: Master Control Hormones
• Pituitary: Control Hormones for Thyroid, Adrenal and Sex Hormones
• Thyroid: Thyroid Hormone
• Parathyroids: Parahormone
• Adrenal Glands: Cortisol, Adrenaline
• Pancreas: Insulin, Glucagon
• Testes: Testosterone
• Ovaries: Estrogen, Progesterone

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