oxygen

Definition / meaning of oxygen

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.

Listed under:

Find More About 'oxygen'

Source(s):

The Web site of the National Cancer Institute (http://www.cancer.gov/)

Leave a Comment

*

This site uses Akismet to reduce spam. Learn how your comment data is processed.