exam questions

• Briefly explain one function of the endocrine system. (2)

  • secrete the hormones which are required to regulate many bodily functions.
  • provide a chemical system of communication via the blood stream.
• Identify two glands that form part of the endocrine system and outline their functions.

  (Total 4 marks)

  • thyroid gland: secretes thyroxine/increases metabolic rates and affects growth
  • adrenal glands: secretes adrenaline / controls the sympathetic division in the fight orflight response
  • pituitary gland: causes other glands to secrete their hormones or directly produceseffects (e.g., causing the breasts to lactate).