A spirometer is an instrument used to measure respiratory volumes. It receives expired air and collects it in a chamber inverted

Question

A spirometer is an instrument used to measure respiratory volumes. It receives expired air and collects it in a chamber inverted in a container of water. The gas is then measured by displacement. Measurements of expired air volume can provide important information on lung capacity and the overall health of the respiratory system. Define the following terms associated with respiratory volumes.

Tidal Volume:
Vital Capacity:
Expiratory Reserve Capacity:
Minute Volume

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