A lot of people have heard the terms aerobics and anaerobic, but most people don't know what those terms mean. These two terms refer to the presence
and absence of oxygen. Our bodies cells choose to get the energy that they need using oxygen to fuel metabolism. During an aerobic activity the muscle cells can contract repeatedly without fatigue. During anaerobics the muscle cell doesn't rely on oxygen to fuel the muscle contractions. It relies on its natural body chemicals. Aerobics is a low to moderate exercise that lasts longer than ninety seconds. Anaerobic is a medium to high intensity exercise that lasts no longer than two minutes.
Aerobic exercise tones you muscles which improves you overall blood circulation.
It also helps improve you respiration system by strengthening your muscles that aid the

airflow. By doing aerobics on a regular basis it will strengthen your lungs and blood

system. It also increases your cardiovascular rate which helps the......

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Title: Aerobics
Approximate Word Count: 1127
Approximate Pages: 5 (250 words per double-spaced page)

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