Your browser does not seem to support JavaScript. As a result, your viewing experience will be diminished, and you have been placed in read-only mode.
Please download a browser that supports JavaScript, or enable it if it's disabled (i.e. NoScript).
So out of breath that you wish you were dead.
Aerobic in Swimming. An energy system used when exercising, especially for endurance work, to supply energy over a long period of time. Needs a good supply of oxygen.
