endocrine system

endocrine system   Dan immune system

You can't really point to any single organ as “the endocrine system,” because they're actually a family of glands that secrete hormones into the body

In humans, the major endocrine glands are the thyroid, parathyroid, pituitary, pineal, and adrenal glands, and the testus and ovaries The Overview The glands that make up the endocrine system produce chemical messengers called hormones that travel through the blood to other parts

ประเทศ ตู นี เซี ย Learn how the endocrine system secretes hormones into the bloodstream from glands throughout the body, including thyroxine and adrenaline  The endocrine system plays a role in growth, metabolism, and other processes by releasing hormones into the blood All hormones in the human