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(OK-sih-jen)
![](https://webarchive.library.unt.edu/eot2008/20090514051559im_/http://www.cancer.gov/images/spacer.gif)
| A colorless, odorless gas. It is needed for animal and plant life. Oxygen that is breathed in enters the blood from the lungs and travels to the tissues. |
Previous Definitions: | oxidation, oxidative metabolism, oxidative stress, oxide, oxycodone hydrochloride | Next Definitions: | oxygen saturation test, oxygen therapy, P-32, p-value, P30 Cancer Center Support Grant |
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