___ is the amount of air that we breathe in and out during normal breathing.

Residual volume

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Inspiratory reserve volume

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Vital capacity

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Tidal volume

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Solution

The correct option is D
Tidal volume

Tidal volume is the amount of air that we breathe in and out during normal breathing. It is about 500 ml.

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Similar questions

A person breathes in some volume of air by forced inspiration after having a forced expiration. This quantity of air taken in is

(a) total lung capacity

(b) tidal volume

(d) inspiratory capacity

From the following relationships between respiratory volume and capacities, mark the correct option.

(i) Inspiratory Capacity (IC) = Tidal Volume + Residual Volume

(ii) Vital Capacity (VC) = Tidal Volume (TV) + Inspiratory Reserve Volume (IRV) + Expiratory Reserve Volume (ERV).

(iii) Residual Volume (RV) = Vital Capacity (VC) - Inspiratory Reserve Volume (IRV)

(iv) Tidal Volume (TV) = Inspiratory Capacity (IC) - Inspiratory Reserve Volume (IRV)

Codes

(a) (i) Incorrect, (ii) incorrect, (iii) incorrect, (iv) Correct

(b) (i) Incorrect, (ii) Correct, (iii) incorrect, (iv) Correct

(d) (i) Correct, (ii) Incorrect, (iii) Correct, (iv) Incorrect

Arrange the following in the order of increasing volume.
(I) Tidal volume (II) Residual volume
(III) Inspiratory reserve volume (IV) Vital capacity

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