Single Answer MCQ
Q-00040064
In which part of the human circulatory system does the exchange of gases occur?
1
Arteries
2
Veins
3
Capillaries
4
Heart
Answer and Solution
Answer
C. Capillaries
Solution:
Gas exchange occurs in the capillaries due to their thin walls, which allow diffusion of oxygen and carbon dioxide. Arteries and veins transport blood, while the heart pumps it.
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