BPK 140 Chapter 7: Chapter 7 Textbook Notes

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Nutrition- the act or process of nourishing or being nourished. Plays an important role in health by providing raw materials that support tissue growth, repair, and normal function. Can also become a health problem when we consume too much of certain nutrients, or when pathogens, or carcinogens are consumed in the food. Digestion- the process by which the foods and beverages we consume are broken down starts in the mouth with chewing and enzymes in saliva. Continues with stomach acids, then in small intestine, where most nutrients are absorbed into the blood, which carries them to the liver, the main site of metabolism. Metabolism- the complex set of chemical changes in living cells that provides energy and material for vital processes. Diet- food and drink regularly provided and consumed. Nutrients are grouped into 6 categories: fats. 5) minerals: water fats, carbohydrates, and proteins provide energy to support the body"s vital functions and to do physical activity.

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