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2.2 The challenges of size

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Question 1
F

The Figure shows a simplified diagram of the human circulatory system. The arrows show the direction of blood flow.

Figure

image

a.

Use words from the list to name vessel A and vessel C.

aorta coronary artery pulmonary artery pulmonary vein vena cava

[2]
b.

Give the letter of the vessel that carries oxygenated blood back to the heart.

[1]
c.

The heart contains valves.

State the function of the valves.

[1]
Markscheme

2.2 The challenges of size Questions

  1. GCSE
  2. /Biology
  3. /2.2 The challenges of size

114 exam-style questions on OCR GCSE Biology 2.2 The challenges of size, covering 2.2.1 Exchange surfaces and surface area : volume ratio, 2.2.2 Substances transported in organisms, 2.2.3 The human circulatory system, 2.2.4 The heart and blood vessels, 2.2.5 Red blood cells and plasma, 2.2.6 Uptake of water and mineral ions by plants, 2.2.7 Transpiration and translocation, 2.2.8 Xylem and phloem, 2.2.9 Environmental factors and water uptake, and 2.2.10 Using a potometer. Each one has a worked solution and a mark scheme showing where the marks go.

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