🌬️01
The Respiratory Tract
Follow a breath from the nose down to the alveoli.
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The Alveolus
The respiratory membrane and where gases actually cross.
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Breathing Mechanics
The diaphragm, volume, and Boyle's law drive air in and out.
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Gas Exchange
External and internal respiration, driven by partial pressures.
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Gas Transport
How oxygen and carbon dioxide are carried in the blood.
Open →📊06
Lung Volumes
Tidal volume, reserves, and vital capacity on a spirometry trace.
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