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Ch. 1 - Survival
Survival needs
Survival Need | Role |
---|---|
Food | Provides chemicals that serve as a source of energy and raw materials to maintain cells of the body. |
Water | Provides the environment in which the chemical reactions of life occur. |
Oxygen | Required to convert organic nutrients into energy, which powers life processes. |
Body Temperature | Must be maintained close to 98.6 degrees F to allow the chemical reactions of human metabolism to occur. |
Atmospheric Pressure | Required for breathing to occur. |