Single Answer MCQ
Q-00019523
How does the structure of blood vessels contribute to their function?
1
They are rigid to withstand pressure
2
They have thick walls to prevent leaks
3
They are branched for efficient flow
4
They are flexible and can dilate
Answer and Solution
Answer
D. They are flexible and can dilate
Solution:
Blood vessels have flexible walls that can dilate or constrict, allowing them to regulate blood flow according to the body’s needs, maintaining optimal circulation.
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