discuss the respiratory system lung volume and capacities

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Expert Solution

Tidal volume

Amount of air inhaled or exhaled after normal breath .
Normal volume = 500 mL.

Inspiratory reserve volume

Amount air inhaled forcefully after a normal inhalation .
Normal volume = 3000 mL

Expiratory reserve volume

Amount of air exhaled forcefully after a forcefull exhalation.
Normal volume = 1000 mL

Residual volume

Amount of air remaining in the lungs after a forcefull exhalation.
Normal volume = 1200 mL

Inspiratory capacity

Amount of air that can be inhaled after normal exhalation
IC = IRV + TV
Normal volume = 3500 mL

Vital capacity

Amount of maximum air that can be exhaled after a forceful inhalation.
VC= TV + IRV + ERV
Normal volume = 3400 -4500 mL

Functional residual capacity

Volume of air in the lungs after normal exhalation.
FRC = RV +ERV
Normal volume = 2200 mL

Total lung capacity

Volume of air present in the lungs after forceful inhalation
TLC = TV+IRV+ERV+RV
Normal volume = 4900 - 6400 mL

Sydney Mullin answered 8 months ago

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