Nutrition Part 1

Nutrition Part 1 - Metabolism Metabolism refers to all the...

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1 Metabolism • Metabolism refers to all the physical and chemical processes in the body that – Eliminating waste through urine and feces – Controlling body – Functioning of the Measuring Metabolism • Metabolism is measured as the amount of energy we consume per unit of time (Metabolic Rate). • MR depends upon certain factors:
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2 Intake = Output • Energy for metabolism comes from the food we eat • If I=O we • If I>O we • If I<O we Energy • Carbohydrates, fats, and proteins supply metabolic energy. A measure of the energy content of food is the Calorie. • One Calorie (also called a kilocalorie or kcal) is sufficient energy to raise the
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3 Daily Energy Needs • Take your weight in pounds • Multiply by: if you are sedentary if you are moderately active if you are highly active • For example, a 120 pound moderately active person in the 20-34 year range needs to consume about 1,800 Calories a day to maintain a constant weight 7 Basic Principles of Diet and Health (Dr. Andrew Weil) • We have to eat to live • Eating is a major source of pleasure • Food that is healthy and food that gives pleasure are not mutually exclusive • Eating is an important focus of social interaction
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This note was uploaded on 04/17/2008 for the course BIO 1004.212.0 taught by Professor Douglasmerrill during the Winter '07 term at RIT.

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Nutrition Part 1 - Metabolism Metabolism refers to all the...

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