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2021 · Paper 1 · Question 4 · 6 marks

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Figure for question 4
4.1

Suggest two ways the student could improve the quality of his scientific drawing of the blood vessels in this dissection.

1

2

Figure for 4.1
2 marks
4.2

Identify the type of blood vessel labelled as X and the type of blood vessel labelled as Y in Figure 4.

Describe one feature that allowed you to identify the blood vessels.

Blood vessel X

Blood vessel Y

Feature

Figure 4 is in the question paperFigure for 4.2
2 marks
4.3

Describe two precautions the student should take when clearing away after the dissection.

1

2

Figure for 4.3
2 marks