The two systems that supply oxygen (O2) and eliminate carbon dioxide (CO2) are the cardiovascular system and the respiratory system.
(The two systems; supply; oxygen) (The two systems; eliminate; carbon dioxide) (The two systems that supply oxygen (O2) and eliminate carbon dioxide (CO2); are; the cardiovascular system and the respiratory system)
The two systems The two systems The two systems that supply oxygen (O2) and eliminate carbon dioxide (CO2)
supply eliminate are
oxygen
carbon dioxide
the cardiovascular system and the respiratory system