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2.2 Animal tissues, organs and organ systems

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Question 77
F

A student compares red blood cells and white blood cells.

Table: A comparison of a red blood cell and a white blood cell

FeatureRed blood cellWhite blood cell
Nucleus
Number in 1 mm3 of blood
Main function
a.

Complete the table to compare a red blood cell with a white blood cell.

[3]
b.

The student looks at a stained blood smear under a microscope. Explain how the student can tell which of the cells are white blood cells.

[2]
Markscheme

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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