Single Answer MCQ
Q-00040089
What adaptation allows alveoli to maximize gas exchange efficiency?
1
Thin walls
2
Elasticity
3
Large surface area
4
All of the above
Answer and Solution
Answer
D. All of the above
Solution:
Alveoli have thin walls, elasticity, and a large surface area (option D), each contributing to efficient gas exchange. Each individual characteristic helps facilitate this process.
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