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2.2 Animal tissues, organs and organ systems

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Question 31
F

A man eats a diet high in saturated fat. He also smokes 15 cigarettes a day. The diagram shows a section through one of the man's coronary arteries.

Figure: A section through a coronary artery in which a layer of material has built up inside the artery wall

image

a.

Name the substance labelled X that has built up inside the artery.

[1]
b.

Explain how the man's diet has led to the build-up labelled X.

[3]
c.

Explain why the man's smoking increases the risk of this artery becoming completely blocked.

[2]
Markscheme

2.2 Animal tissues, organs and organ systems Questions

  1. GCSE
  2. /Biology
  3. /2.2 Animal tissues, organs and organ systems

179 exam-style questions on AQA GCSE Biology 2.2 Animal tissues, organs and organ systems, covering 2.2.1 The human digestive system, 2.2.2 The heart and blood vessels, 2.2.3 Blood, 2.2.4 Coronary heart disease: a non-communicable disease, 2.2.5 Health issues, 2.2.6 The effect of lifestyle on some non-communicable diseases, and 2.2.7 Cancer. Each one has a worked solution and a mark scheme showing where the marks go.

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