Home > Encyclopedia of Science > Endocrine System

• Hormonal levels in the blood
• The pituitary
• Words to Know
• The pineal
• The thyroid
• The parathyroids
• The thymus
• The pancreas
• The adrenals
• The ovaries
• The testes
• Endocrine disorders

The endocrine system is the human body's network of glands that produce more than 100 hormones to maintain and regulate basic bodily functions. Hormones are chemical substances carried in the bloodstream to tissues and organs, stimulating them to perform some action. The glands of the endocrine system include the pituitary, pineal, thyroid, parathyroids,...