Question

In: Anatomy and Physiology

discuss the respiratory system lung volume and capacities

discuss the respiratory system lung volume and capacities

Solutions

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 1 year ago
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