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Alveolar air

Alveolar air --> alveolar gas

The gas in the pulmonary alveoli, where O2-CO2 exchange with pulmonary capillary blood occurs.

Synonym: alveolar air.


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Water's role in covering alveolar cells

I understand how it affects the lung compliance, but what is the purpose of having it there. Is it to moisten the air?

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by dakims
Mon Nov 26, 2007 5:25 am
 
Forum: Human Biology
Topic: Water's role in covering alveolar cells
Replies: 2
Views: 1784

Inhalation/Exhalation

... in order to inhale, we assume the situation after exhalation that no air flows. when we inhale, we increase the lungvolume --> the diaphragm gets flattened and the alveolar pressure decreases. Directly after that (milliseconds) net air flows in because ...

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by sdekivit
Sun Oct 15, 2006 9:34 pm
 
Forum: Human Biology
Topic: Inhalation/Exhalation
Replies: 4
Views: 4515

lungs

when you breath in air, the pressure in the alveoli rises initially. But because little blood is pumped into the top arterioles of the lung the alveolar pressure is higher then that of the arteriole and venule, and thus vasoconstriction appears. ...

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by sdekivit
Sat Apr 15, 2006 12:36 pm
 
Forum: Human Biology
Topic: lungs
Replies: 4
Views: 1901


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