5.16 - Adrenaline and Thyroxine

Cards (5)

  • When is adrenaline produced?
    Adrenaline is produced during the fight or flight response, when you get scared, stressed, or need to exercise. It prepares the body for activity.
  • What does adrenaline do?
    Increases heart rate
    Increases blood pressure
    Increases blood flow to muscles
    Increases blood sugar (glucose) levels by stimulating the liver to break glycogen down into glucose
  • Adrenaline causes the conversion of which substances?
    Glycogen -> Glucose
  • What does thyroxine do?
    Increases your metabolic rate (the rate at which chemical reactions are taking place.
  • How is the production of thyroxine regulated?
    The pituitary gland produces Thyroxine Stimulating Hormone (TSH) which stimulates the thyroid gland to produce thyroxine.
    Thyroxine then inhibits the production of TSH from the pituitary gland.