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Home >Information for Patients > Dictionary Index

Dictionary of Cancer Terms

View in Spanish: Oxígeno

Oxygen (OK-sih-jen)
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.



 
 
Source: National Cancer Institute Dictionary of Cancer Terms, available at www.cancer.gov/dictionary.