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:
“It is like any other work of art.
It is and never can be changed.
Behind everything there is always
The unknown unwanted life.”
—Randall Jarrell (1914–1965)
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