Hormonal coordination

Cards (17)

  • What is the endocrine system?
    System of glands that secrete hormones into the bloodstream
  • How do the effects of the endocrine system compare to those of the nervous system?
    Endocrine system effects are slower but act for longer.
  • Where is the pituitary gland?
    Brain.
  • Which organ monitors and controls blood glucose levels?
    Pancreas.
  • Which hormones interact to regulate blood glucose levels?
    Insulin and glucagon.
  • What is the cause for Type 1 diabetes?
    Pancreas produces insufficient insulin.
  • What is the cause of Type 2 diabetes?
    Body cells no longer respond to insulin.
  • What is the function of FSH?
    Causes eggs to mature in the ovaries, and stimulates ovaries to produce oestrogen.
  • What is the function on LH?

    Stimulates the release of an egg.
  • What are the methods of hormonal contraception?
    Oral contraceptives, injection, skin patch, IUD.
  • What is the function of oestrogen?

    Causes lining of the uterus wall to thicken.
  • What are the methods of non-hormonal contraception?
    Barrier methods, copper IUD, spermicidal agents, sterilisation, abstinence.
  • State the disadvantages of IVF treatment.
    Emotionally and physically stressful.
    Low success rate.
    Can lead to risky multiple births.
  • What is the function of adrenaline in the body?
    Increases heart rate and boosts delivery of oxygen and glucose to the brain and muscles to prepare the body for ‘flight or fight’.
  • What is the function of thyroxine in the body?
    Stimulates basal metabolic rate, so is important for growth and development.
  • Name one hormone controlled by negative feedback.
    Thyroxine.
  • Which endocrine glands control secondary sexual characteristics?
    Ovaries and female, testes in males.