the endocrine system

• the endorcrine system is


  the other way of sending information around the body using hormones
• what are hormones?


  chemical messengers sent into the blood
• 6 endocrine glands

  • pituitary gland
  • adrenal gland
  • thyroid gland
  • pancreas
  • testes
  • ovaries
• the pituitary gland

  • produces many hormones that regulate body conditions
  • is called the master gland because the hormones act upon other glands bringing about change
• the thyroid

  • produces thyroxine which is involved in regulating things like metabolism, heart rate and temperature
• the adrenal gland

  • produces adrenalin which triggers a fight or flight response
• the pancreas

  • produces insulin regulating blood glucose level
• the ovaries

  • produce oestrogen which is involved in the menstrual cycle
• the testes

  • produce testosterone controlling puberty and sperm production
• characteristics of hormones

  • slower action
  • act for long time
  • act on general and larger areas