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2.2 Animal tissues, organs and organ systems

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Question 72

A computer model represents the four chambers of a human heart as P, Q, R and S.

The table shows where blood enters each chamber from and where it leaves to.

ChamberBlood enters the chamber fromBlood leaves the chamber and moves to
Pa vein from the lungschamber Q
Qchamber Pan artery to the body
Ra vein from the bodychamber S
Schamber Ran artery to the lungs
a.

Name the two chambers that represent the atria.

[1]
b.

Describe how the information in the table supports your answer.

[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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