Science & Nature · 2
What is the approximate vital capacity (maximum air volume) of human lungs?
Answer
About 4-6 liters
Healthy adult lungs typically have a vital capacity of 4-6 liters (roughly 5 liters average), representing the maximum volume of air that can be expelled after maximum inhalation.
💡 Did you know?
Vital capacity varies based on age, sex, and physical fitness, with athletes often having significantly higher lung capacity than sedentary individuals.
Other options people guess
- About 1-2 liters
- About 10-12 liters
- About 15-18 liters
Topics
- lungs
- respiration
- respiratory-system
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