How the Body Works: The Exchange of Gases
- From: dizzo95
- Type: Patients & People
- Joined: May 2008
- Videos: 236
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Added: June 4, 2008 | Time 00:17 | Views: 71
As air is breathed into the lungs, exchange of gases takes place at the highly folded, moist surface of air sacs. These are richly supplied with blood capillaries, which take up oxygen and give up carbon dioxide.
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