xphaze6560 xphaze6560
  • 24-05-2018
  • Biology
contestada

Sacs in the lungs where oxygen diffuses into the blood and carbon dioxide diffuses into the air

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JennyBeann
JennyBeann JennyBeann
  • 24-05-2018
The answer is areoles
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pashminakhan
pashminakhan pashminakhan
  • 24-05-2018
Diffusion of oxygen into the blood takes place at the alveoli (air sacs). The air in the alveoli contains a lot of oxygen. The alveoli are very close to capillaries, which are small blood vessels. The blood in the capillaries has very little oxygen and has a lot of carbon dioxide.
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