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:
“Say what you will, making marriage work is a woman’s business. The institution was invented to do her homage; it was contrived for her protection. Unless she accepts it as such—as a beautiful, bountiful, but quite unequal association—the going will be hard indeed.”
—Phyllis McGinley (1905–1978)