In breathing movements, the air volume can be estimated by

Spirometer

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Stethoscope

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Hygrometer

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Sphygmomanometer

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Solution

The correct option is A
Spirometer

A spirometer is an instrument used for recording the changes in the volume of air in and out of the lungs. This process is called spirometry.

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Similar questions

In breathing movements, air volume can be estimated by

(a) stethoscope

(b) hygrometer

(d) spirometer

Air volume in breathing movements can be estimated by:

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