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2.2 Animal tissues, organs and organ systems

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Question 93

A doctor checks the inside of one coronary artery in each of two patients and measures the blood flow through it.

PatientInside of the coronary arteryBlood flow through the coronary artery in cm3 per minute
ANo fatty material160
BLayers of fatty material70
a.

State which patient has coronary heart disease.

[1]
b.

Use the data to explain why the patient with coronary heart disease could experience chest pain.

[2]
Markscheme

2.2 Animal tissues, organs and organ systems Questions

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

304 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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