CSEC Human and Social Biology · January 2011 · Paper 2 · Question 3(b)
Name the pigment that gives red blood cells their colour.
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- 3(a)State TWO functions of blood in the human body.[2 marks]
- 3(c)(i)Suggest TWO differences observed under a microscope between red blood cells and white blood cells.[2 marks]
- 3(c)(ii)Identify ONE feature of platelets that assists in their identification in a blood sample.[1 mark]
- 3(c)(iii)What role do platelets play in the human body?[1 mark]
- 3(d)(i)Explain what is meant by 'atherosclerosis'.[2 marks]
- 3(d)(ii)Suggest ONE way an individual may prevent atherosclerosis.[1 mark]
More practice: the rest of this paper · more The Circulatory and Lymphatic Systems questions · all CSEC Human and Social Biology past papers