Gaseous Exchange in the Lungs
Diagram of gas exchange in the lungs.
This is a diagram of gas exchange in the lungs. It shows the aveoli removing carbon dioxide from the blood and then adding oxygen to the blood.
Source
Boundless vets and curates high-quality, openly licensed content from around the Internet. This particular resource used the following sources:
"Respiratory physiology."
http://en.wikipedia.org/wiki/Respiratory_physiology
Wikipedia
CC BY-SA 3.0.