ABSTRACT
Metabolism in the human body is dependent on blood ow. Just 5 min a er cess ation o f b lood ow in t he a rteries, ir reversible changes ha ppen in t he most s ensitive tissues. E ach tissue typ e needs a more or less continuous blood supply. Oxygen and substances have t o b e transported t o t he cells, a nd carbon dioxide and end product metabolites have to be washed out, taken away, and excreted.
