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:
“People need to be made more aware of the need to work at learning how to live because life is so quick and sometimes it goes away too quickly.”
—Andy Warhol (1928–1987)
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