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Figure 4 shows a cross-section of an artery and a vein - Edexcel - GCSE Biology - Question 3 - 2022 - Paper 1
Question 3
Figure 4 shows a cross-section of an artery and a vein. (i) Explain one difference between the artery wall and the vein wall shown in Figure 4. (ii) Name one struc... show full transcript
Worked Solution & Example Answer:Figure 4 shows a cross-section of an artery and a vein - Edexcel - GCSE Biology - Question 3 - 2022 - Paper 1
Step 1
Explain one difference between the artery wall and the vein wall shown in Figure 4.
Answer
The artery wall is thicker and more muscular compared to the vein wall. This is mainly due to the higher blood pressure present in arteries, which helps maintain the blood pressure and prevents arteries from bursting.