Define the following Oxygen

Energy

Time

Exercise Hearth Rate

Recovery Hearth Rate

Cardiovascular Disease factors

Atherosclerosis

Stroke

High Density Lipoprotein HDL

Explanation:

Oxygen- a chemical element that constitutes 21 percent of the Earth's atmosphere, that is capable of combining with all elements except some noble gases, that is active in physiological processes of almost all known organisms, and that is involved especially in combustion.Energy-Energy is the capacity for doing work. It may exist in potential, kinetic, thermal, helectrical, chemical, nuclear, or other forms.Time-Time is something we deal with every day, and something that everyone thinks they understand.

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