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Breathing and Exchange of Gases
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#1
Mechanism of Breathing
Inspiration:
Inspiration occurs when the intra-pulmonary pressure is less than the atmospheric pressure.
Terms:
Pressure difference
PaAtmospheric pressure
PaIntra-pulmonary pressure
PaExpiration:
Expiration occurs when the intra-pulmonary pressure is greater than the atmospheric pressure.
Terms:
Pressure difference
PaAtmospheric pressure
PaIntra-pulmonary pressure
PaBreathing involves inspiration and expiration, driven by pressure differences between the atmosphere and the lungs.
Common Use:
Understanding respiratory mechanics and diagnosing respiratory disorders.
Lungs
Pressure
Respiration
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Practice Questions
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