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2.2 Animal tissues, organs and organ systems

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Question 108
F

In a double circulatory system, blood passes through the heart twice for each circuit of the body. What is the advantage of this?

[1]
A

Blood can be pumped to the lungs and to the body at the same rate

B

Blood is pumped through the lungs twice for each circuit of the body

C

Blood is raised to a high pressure again after it has passed through the lungs

D

The muscle of the heart is given its own supply of oxygenated blood

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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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