EMBRYOLOGY
RESPIRATORY SYSTEM
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Vital capacity is defined as
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amount of air inspired and expired with each normal breath during rest or exercise.
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is the greatest amount of air that can be made to pass into and out of the lungs by the most forceful inspiration and expiration.
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the delivery of oxygen from the lungs to the bloodstream.
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the movement of air from outside the body into the cells within tissues.
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Explanation:
Detailed explanation-1: -It is the total amount of air exhaled after maximal inhalation. The value is about 4800mL and it varies according to age and body size. It is calculated by summing tidal volume, inspiratory reserve volume, and expiratory reserve volume. VC = TV+IRV+ERV.
Detailed explanation-2: -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.
Detailed explanation-3: -Lung capacity or total lung capacity (TLC) is the volume of air in the lungs upon the maximum effort of inspiration. Among healthy adults, the average lung capacity is about 6 liters.
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