Biology · May / June 2020 · Paper 22 · Question 4
5090
As printed in the paper
The question as text
The human double circulation has both • a circulation taking blood to and from the body tissues, and • a circulation taking blood to and from the tissues of the lungs. The graph shows the change in mean blood pressure in the blood vessels as blood passes to and from the body tissues. mean blood pressure / arbitrary units arteries capillaries veins
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4(a)(i)[1]
4(a)(ii)[1]
4(b)[3]
4(c)[3]
4(d)[2]
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