Zeera shouted, "Get down here and help me pump oxygen!"
They pump oxygen into the bloodstream, so that it passes through the heart and reaches the working muscles.
"Plants were pumping oxygen into the atmosphere," he said.
Cavity Sam now has a heart monitor, and you can even pump oxygen into him to gain more time.
The patients who died became suddenly unable to breathe, despite doctors' efforts to pump oxygen into their lungs.
Immigrants are pumping oxygen and money into the city.
He said rescue crews were pumping oxygen into the shaft.
As a result, the heart cannot pump enough oxygen and nutrients to meet the body's needs.
It was so easy to make him happy and seeing the boy's happiness pumped pure oxygen through Nicholas's veins.
The consultant smiled below his mask, as the nurse continued to pump oxygen into the patient's mouth and nose.