"OABNCI" . "7782-44-7"^^ . . "Oxygen"^^ . "CHEBI:25805"^^ . "OXYGENPTFDAS88TT14065" . "Element, Ion, or Isotope"^^ . "C0030054"^^ . . . "Oxygen"^^ . "S88TT14065"^^ . "CHEBI:15379"^^ . . "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.NCI-GLOSS" . "Oxygen"^^ . "O2"^^ . "FDA"^^ . "C722"^^ . . "oxygenPTNCI-GLOSSCDR0000538149" . "OxygenPTNCI" . "An element with atomic symbol O, atomic number 8, and atomic weight 16.NCI" . "Pharmacologic Substance"^^ . .