Zoom9889
Zoom9889
03-12-2015
Health
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why do capillaries surround alveoli
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hardcoremurse
hardcoremurse
07-12-2015
this is the site where oxygen and co2 is transferred in the body, co2 is expelled by pressure equalization from erythrocytes, and o2 is recovered and braught back to the heart to be ejected to the rest of the body.
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