Energy Systems - How They Work

How They Work

Aerobic and anaerobic systems usually work concurrently. When describing activity it is not which energy system is working but which predominates.

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Famous quotes containing the word work:

    Auld Nature swears, the lovely Dears
    Her noblest work she classes, O:
    Her prentice han’ she try’d on man,
    An’ then she made the lasses, O.
    Robert Burns (1759–1796)