KINESIOL 1F03 Lecture Notes - Lecture 1: Physical Examination, Hemoglobin, Transferrin
16 Nov 2016
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Document Summary
The science of foods and the nutrients they contain, and of their actions within the body . Includes the social, economic, cultural and psychological implications of food and eating. Alcohol - 7 kcal/g (can be used for energy, but not considered a nutrient because it interferes with the body"s growth, maintenance and repair) Food that contains 5g carbs, 5g fats, 5g proteins = 85 kcal. Human body is 55% efficient at getting energy from food, most energy released as heat. Efficiency depends on genetics, what you ate the previous meal and the day before. Foods with a high energy density deliver more kcalories than foods with a low energy density (divide total calories by grams to find kcal/g - lower number is better) The body uses the energy-yielding nutrients as. Fuel - supports all body activities, or stored for later use. Raw materials for building the body"s tissues and regulating activities (particularly protein)
