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:
“He does not go to the dictionary, the word-book, but to the word-manufactory itself, and has made endless work for the lexicographers.”
—Henry David Thoreau (1817–1862)
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