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2.2 Animal tissues, organs and organ systems

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Question 25
F

A stent is inserted into a narrowed coronary artery. What does the stent do?

[1]
A

It breaks down the fatty material, so the artery is no longer narrow

B

It replaces the narrowed part of the artery with a new length of tube

C

It carries the blood around the narrowed part of the coronary artery

D

It holds the artery open, so more blood flows to the heart muscle

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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