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Figure 5 shows a diagram of the human blood system - Edexcel - GCSE Biology - Question 3 - 2023 - Paper 2
Question 3
Figure 5 shows a diagram of the human blood system. (a) (i) Name blood vessel X. (ii) Which row of the table shows the width of the wall and blood pressure in bloo... show full transcript
Worked Solution & Example Answer:Figure 5 shows a diagram of the human blood system - Edexcel - GCSE Biology - Question 3 - 2023 - Paper 2
Step 2
Which row of the table shows the width of the wall and blood pressure in blood vessel X?
Answer
The correct row is A: thick wall with low blood pressure. This is characteristic of the aorta, which has thick muscular walls to withstand the high pressure from the heart, but experiences lower pressure compared to smaller arteries.