Question
Differentiate between. Vital capacity and total lung capacity.
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Answer
The differences between vital capacity and total lung capacity are as follows:
| Vital capacity | Total lung capacity | |
| (i) | It is the maximum volume of air a person can breathe in after a forced expiration of the maximum volume of air a person can breathe out after a forced inspiration. | It is the total volume of air accomodated in the lungs and respiratory passage after forced inspiration. |
| (ii) | It is sum of tidal volume, inspiratory reserve volume and expiratory reserve volume. | It is sum of vital capacity and residual volume. |
| (iii) | It averages 3400 - 4800 ml. | Il averages 4500 - 6200ml. |
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