Figure 4 shows a diagram of the human blood system - Edexcel - GCSE Biology Combined Science - Question 2 - 2023 - Paper 2
Question 2
Figure 4 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 4 shows a diagram of the human blood system - Edexcel - GCSE Biology Combined Science - Question 2 - 2023 - Paper 2
Step 1
Name blood vessel X.
96%
114 rated
Only available for registered users.
Sign up now to view full answer, or log in if you already have an account!
Answer
Blood vessel X is the pulmonary artery, which is responsible for carrying deoxygenated blood from the right ventricle of the heart to the lungs.
Step 2
Which row of the table shows the width of the wall and blood pressure in blood vessel X?
99%
104 rated
Only available for registered users.
Sign up now to view full answer, or log in if you already have an account!
Answer
The correct row is D: thin wall and low blood pressure. The pulmonary artery has thinner walls compared to other major blood vessels and experiences lower pressure.
