In human, the total inside capacity of lungs is about:
Correct answer: C. 5 litres
- A. 3.5 litres
- B. 2.5 litres
- C. 5 litres
- D. 10 litres
Explanation
When the lungs are fully inflated, the total lung capacity in liters for an average adult human is around 5 liters. However, this can vary depending on factors such as age, gender, height, and overall health. The other options are incorrect.
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About Respiration
The human respiratory system includes the air passages, lungs, alveoli and breathing muscles, while gaseous exchange explains how oxygen enters blood and carbon dioxide leaves it by diffusion. The effects of smoking include damage to cilia and alveoli, reduced gas exchange, chronic bronchitis, emphysema and increased risk of lung cancer.
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