hormones

• Pituitary gland


  • Located in the brain and attached to the hypothalamus
  • Called the 'master gland'
  • Releases FSH and LH
• Thyroid gland


  • Located in the trachea
  • Releases thyroxine
• Pancreas


  • Located above the stomach
  • Releases glucagon and insulin
• Adrenal gland


  • Found above the kidneys
  • Releases adrenaline
  • Involved in fight or flight responses
• Ovaries


  • Main hormone involved in the menstrual cycle
  • Releases FSH, LH, oestrogen and progesterone
• Testes


  • Controls puberty and sperm production
  • Produces testosterone
• FSH (Follicle Stimulating Hormone)


  • Stimulates oestrogen production and the growth of follicles (egg-sacs) in the ovary
  • Causes the maturation of an egg in the ovary
• LH (Luteinising Hormone)


  Stimulates the release of the egg
• Thyroxine


  • Regulates the metabolism
  • Helps control the body's energy production
• Glucagon


  Helps regulate blood glucose (sugar) levels
• Insulin


  Released by the pancreas when glucose levels in the blood are high
• Adrenaline


  • Prepares the body for action in response to stress or danger
  • Involved in 'fight or flight'