endocrine system

• pituitary gland

  produces many hormones. master gland
• thyroid

  produces thyroxine which regulates metabolism
• adrenal gland

  produces adrelaline - flight or fight
• pancreas

  produces insulin which regulates blood glucose level
• ovaries

  produces oestrogen
• testes

  produces testosterone - sperm production
• made up of glands that secrete chemicals (hormones)