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Lungs are completely emptied and refille...

Lungs are completely emptied and refilled with fresh air during breathing.

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**Step-by-Step Solution:** 1. **Understanding the Statement**: The statement claims that "lungs are completely emptied and refilled with fresh air during breathing." We need to analyze whether this is true or false. 2. **Breathing Process**: Breathing involves two main processes: inhalation (inspiring air) and exhalation (expiring air). During inhalation, fresh air enters the lungs, and during exhalation, air is expelled from the lungs. 3. **Residual Volume**: It is important to note that the lungs do not completely empty during exhalation. There is always some air that remains in the lungs, known as the residual volume. This volume of air cannot be expelled, even with forceful exhalation. ...
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