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4 marksExcretion and Osmoregulation

CSEC Biology · May/June 2013 · Paper 2 · Question 6(c)

If you were lost on a desert island for two days,

how would a hormone secreted from your pituitary gland work to prevent you from becoming completely dehydrated?

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Other parts of this question

  1. 6(a)(i)Sketch an outline of the human body and show the location of the pancreas and the pituitary gland in the outline.[6 marks]
  2. 6(a)(ii)Name ONE hormone secreted from EACH of the endocrine glands in (a)(i) above.[6 marks]
  3. 6(a)(iii)Name TWO factors that may affect the activity of these enzymes.[6 marks]
  4. 6(b)Explain how hormones secreted from the pancreas work together with the liver to regulate blood sugar levels.[5 marks]

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