Biology · Respiratory System
What is the primary reason that the lungs contain alveoli?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1To increase the surface area for gas exchange✓
- 2To provide pumping action for the lungs
- 3To increase the volume of the lungs
- 4To give mechanical support to the lungs
Correct answer
To increase the surface area for gas exchange
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