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:
“... to work, to work hard, to see work steadily, and see it whole, was the way to be reputable. I think I always respected a good blacksmith more than a lady of leisure.”
—Elizabeth Stuart Phelps (1844–1911)
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