Nutrition is the science that deals with food and how the body uses it. All living things
need food to live. The food supplies energy, which people need to perform certain
actions. Food also provides substances that the body needs to build and repair its tissues
and to regulate its organs and organ systems.

Food provides certain chemical substances needed in order for a person to maintain good
health. These chemical substances are called nutrients. Nutrients can perform three
important functions. They provide materials for building, repairing, or maintaining body
tissues. They help regulate body processes. They serve as fuel to provide energy. The
body needs energy to maintain all its functions. People who do not get enough nutrients
are sometimes lazy and are unwilling to work.

The foods we eat contain thousands of different chemicals. Our body, however, only
needs only a few dozen of these chemicals in order to stay healthy. These are the
nutrients that the body......

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Title: Total Health
Approximate Word Count: 1614
Approximate Pages: 7 (250 words per double-spaced page)

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