Tutorial: Quiet Breathing.

End Inspiration:

1. An equilibrium exists after inspiration ends and before expiration begins.

2. Air flows down the pressure gradient until the lung reaches a new equilibrium volume at which alveolar pressure equals zero and the gradient for flow ceases to exist.

3. Lungs and chest are fully expanded.

Please click the "next" button to continue.

Last modified, January 22, 1996
Johns Hopkins School of Medicine, 1994
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