Why is alveolar pressure lower than atmospheric pressure?

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  • Why is alveolar pressure lower than atmospheric pressure?


increased alveolar pressure caused decreased alveolar volume. 3: During expiration... A) increased alveolar volume causes increased alveolar pressure. B)
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Positive: 31 %
Alveolar Pressure. This is the pressure ... is given with respect to atmospheric pressure, ... pressure at the mouth down the lungs into the lower pressure ...
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Positive: 28 %

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Chapter 23: The Respiratory System ... Why is intrapleural pressure lower than atmospheric ... arteries has lower PO2 & higher PCO2 than alveolar air.
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Positive: 31 %
... so we start with the atmospheric pressure ... the air other than the water vapor pressure ... know what the alveolar partial pressure of ...
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Positive: 26 %
This movement occurs because of a pressure gradient (ventilation ... than atmospheric pressure exhalation occurs, when alveolar pressure is lower ...
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Positive: 12 %
Atmospheric pressure (@ sea level) = 760 mmHg o Alveolar ... Atmospheric pressure ... = 760 mmHg o Intrapleural pressure = 756 mmHg **Slightly lower than ...
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Positive: 10 %

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