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2 marksDiseases

CSEC Biology · January 2017 · Paper 2 · Question 5(a)(ii)

Oxygenated blood from the lungs must be pumped through the heart before being sent to other body organs.

Identify TWO physiological diseases that affect the circulatory system.

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Other parts of this question

  1. 5(a)(i)Describe the pathway that blood takes as it flows into the heart from the lungs, until it is pumped out of the heart to be sent to the rest of the body.[4 marks]
  2. 5(b)Chemotherapy destroys both malignant and good cells. Explain why a person undergoing chemotherapy would have decreased natural immunity.[4 marks]
  3. 5(c)Suggest why he is given an antiserum injection instead of a vaccine.[5 marks]

More practice: the rest of this paper · more Diseases questions · all CSEC Biology past papers