How They Work
Aerobic and anaerobic systems usually work concurrently. When describing activity it is not which energy system is working but which predominates.
Read more about this topic: Energy Systems
Famous quotes containing the word work:
“A tremendous number of people in America work very hard at something that bores them. Even a rich man thinks he has to go down to the office every day. Not because he likes it but because he can’t think of anything else to do.”
—W.H. (Wystan Hugh)
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