1-8 - 1. Six categories of nutrients: Carbohydrates, Fats...

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Unformatted text preview: 1. Six categories of nutrients: Carbohydrates, Fats (lipids), Protein, Vitamins, Minerals, Water, 2. Dietary fat, especially cholesterol and triglycerides, plays a major role in cardiovascular disease, and excessive fat intake also has been linked to other diseases such as cancer, diabetes, and obesity. But despite the negative publicity, fat serves many vital functions in the body. - It is an essential component of cell membranes and nerve fibers.-It is a primary energy source, providing up to 70% of our total energy in the resting state.-Its supports and cushions vital organs.-All steroid hormones in the body are produced from cholesterol.-Fat-soluble vitamins gain entry into, are stored in, and are transported through the body via fat.-Body heat is preserved by insulating subcutaneous fat layer. 3.Males 58-63 Females 44-50 4. Amino acids are the body’s building blocks, so protein is essential for the growth and development of body tissues. In fact, muscle was once thought to consume itself as fuel for its own actions, so protein body tissues....
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This homework help was uploaded on 04/18/2008 for the course PE 341 taught by Professor Nelson during the Spring '08 term at Southeast Missori State University.

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