European beverage maker reduces chemical oxygen demand and suspended solids with a biologically - engineered treatment process. (waterworld.com)
But these breathing muscles have their own oxygen demand. (runninginsystems.com)
Cardiac dilation, decreased oxygen supply, and increased oxygen demand secondary to elevated heart rate and ventricular wall stress may predispose to the development of cardiac arrhythmias arising in either the atria (atrial fibrillation, supraventricular tachycardia) or in the ventricles (ventricular premature complexes, ventricular tachycardia). (www2.vet.cornell.edu)