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2 marksExcretion and Homeostasis

CSEC Human and Social Biology · 2021 · Paper 2 · Question 3(e)(ii)

One friend, Pedro, experienced dizzy spells and lethargy along with frequent urination and extreme thirst.

Explain how Pedro's body would normally respond to eliminate the effect stated in (e)(i).

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Other parts of this question

  1. 3(a)Identify EACH structure labelled A and B in Figure 2.[2 marks]
  2. 3(b)Complete the paragraph describing homeostatic regulation by selecting the TWO correct phrases from the provided box.[2 marks]
  3. 3(c)State TWO responses that occur in the body when carbon dioxide levels in the blood increase.[2 marks]
  4. 3(d)(i)Explain why the friends experienced frequent urination.[2 marks]
  5. 3(d)(ii)Explain why the friends experienced extreme thirst.[2 marks]
  6. 3(e)(i)State the effect that drinking alcoholic beverages would have on Pedro's blood glucose levels.[1 mark]
  7. 3(e)(iii)Suggest the disease from which Pedro is MOST likely suffering and state why he would have experienced dizzy spells and lethargy.[2 marks]

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