The endocrine system

• what is the endocrine system do?

  It provides a chemical system of communication via the blood stream
• what does the endocrine system comprise of

  it comprises of glands, organs in the body that secrete chemicals called hormones into the bloodstream
• How does the endocrine system work ?

  These hormones travel to target sites around the body where they bind to their specific receptors. Once they bind, they regulate many bodily functions such as growth and sleep
• Describe the pituitary gland

  "master gland" as it secretes hormones that trigger other glands in the body to secrete hormones.

  • in the brain
  • Secretes growth hormone
  • is to promote growth and muscle mass
• Describe pineal gland


  • Located in the brain
  • secretes Melatonin
  • It's function is to regulate the sleep/wake cycle by causing feelings of tiredness
• Describe the adrenal glands

  • located above the kidneys
  • it secretes adrenaline
  • it's function is to process psychological changes seen in the fight or flight response
• Describe the Testes


  • Located in the male reproductive system
  • secretes testosterone
  • Function is to develop male physical and psychological characteristics
• Describe the ovaries


  • It is Located in the female reproductive system
  • secretes oestrogen
  • It's function is to develop female physical and psychological characteristics