endocrine system

• what are the 2 functions of the endocrine system?

  • secrets the hormones which are required to regulate many bodily functions
  • provides a chemical system of communication via blood stream
  • e.g. will release the required amount of a specific hormone to promote appropriate growth
• what the 6 hormones

  • brain
  • thyroid gland
  • adrenal glands
  • pancreas
  • testes
  • ovary
• function of the brain hormone

  • contains hypothalamus which controls the pituitary glanf
• function of the thyroid gland hormone

  • produces thyroxine which controls rate of metabolism
• function of the adrenal glands hormone

  • produce adrenaline which prepares the body for rapid activity by increasing heart rate and blood sugar levels
• function of the pancreas hormone

  • produces insulin to control blood sugar levels
• function of testes hormone

  • produce testosterone which causes pubic changes and stimulates sperm production
• function of ovary hormone

  • produces oestrogen, eggs and progestorone which caused pubic changes and helps control the menstrual cycle
• glands and hormones

  • glands produce hormones
  • hormones are secreted into the bloodstream and affect cells with receptors to that hormone
• what is the main gland

  • pituitary gland
  • located in the brain
  • controls release of hormones from all other glands in the body
• role of the pituitary gland

  • master gloand that regulates most bodily functions
  • stimulates production of other hormones
  • regulates body functions
• function of the testes

  • produce testosterne
  • regulates sex drive and sperm production
• function of hormones

  • chemical messengers
  • diffuse directly into bloodstream
  • bind to specific receptors