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2 Organisation

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Question 3
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The components of blood are carried around the body in a liquid medium. A patient has a blood test with the following results: Red blood cells count is 3.1times10123.1 \\times 10^{12}3.1times1012 per $\text{dm}^3$ (normal range is 4.0textto5.5times10124.0 \\text{ to } 5.5 \\times 10^{12}4.0textto5.5times1012), White blood cells count is 6.5times1096.5 \\times 10^96.5times109 per $\text{dm}^3$ (normal range is 4.0textto11.0times1094.0 \\text{ to } 11.0 \\times 10^94.0textto11.0times109), and Platelets count is 250times109250 \\times 10^9250times109 per $\text{dm}^3$ (normal range is 150textto400times109150 \\text{ to } 400 \\times 10^9150textto400times109).

a.

Name the liquid part of the blood that transports these blood cells.

[1]
b.

Identify which blood component of the patient is not within the normal range.

[1]
c.

Suggest one symptom the patient might experience and explain how this is related to the function of the affected component.

[3]
Markscheme

2 Organisation Questions

  1. GCSE
  2. /Biology
  3. /2 Organisation

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