The maximum volume of air a person can breathe in after a forced expiration is called:

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AExpiratory Capacity

BInspiratory Capacity

CResidual Volume

DVital Capacity

Answer:

Vital capacity is the maximum amount of air a person can expel from the lungs after a maximum inhalation.
It is equal to the sum of inspiratory reserve volume, tidal volume, and expiratory reserve volume.
It is approximately equal to Forced Vital Capacity.

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(i) The typical oxygen saturation level of hemoglobin in arterial blood under normal physiological condition is 95-100%.

(ii) The area of the brain primarily responsible for generating basic rhythm of breathing is cerebrum.

(iii) The primary drive for respiration under normal condition is controlled by the level of CO2 in the blood.