endocrine system

function of endocrine

• Chemical communication & control

Hormones - chemicals that are released into the blood and signal cells to take action

• Actions include growth, development, metabolism, and reproduction 

Ovaries (females)

Produce estrogen and progesterone.

Testes (males)

Produce testosterone.

Pancreas

Releases insulin and glucagon.

Hypothalamus,

Sends releasing hormones that control the pituitary.

Pituitary

Known as the “master gland” because it controls other endocrine organs.

Pineal

Produces melatonin.

Thyroid

Controls metabolic rate, energy use, and growth.

Parathyroid

Produces PTH to raise blood calcium.

Thymus

Critical for immune system development in childhood.

Adrenal

Regulate stress response, blood pressure, and electrolyte balance.