Aquatic respiration
Process whereby an aquatic animal obtains oxygen from water / From Wikipedia, the free encyclopedia
Aquatic respiration is the process whereby an aquatic organism exchanges respiratory gases with water, obtaining oxygen from oxygen dissolved in water and excreting carbon dioxide and some other metabolic waste products into the water.
![Thumb image](http://upload.wikimedia.org/wikipedia/commons/thumb/a/a4/Pleurobranchaea_meckelii.jpg/320px-Pleurobranchaea_meckelii.jpg)