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:
“I was standing in the schoolyard waiting for a child when another mother came up to me. “Have you found work yet?” she asked. “Or are you still just writing?””
—Anne Tyler (b. 1941)
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