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painful sensation caused by a lack of food, that initiates food seeking behavior


the integrated response to the sight, smell, thought, or taste of food that initiates or delays eating


In eating behavior, the feeling of fullness and diminished desire to eat that accompanies eating a meal; in general, the sensation of having an appetite or desire fully or excessively satisfied.


the feeling of fullness or satisfaction that people experience after meals and inhibits eating until the next meal. determines how much time passes between meals

Eating involves _____ of our senses


Fat has a weak effect on our_____


Protein has a _____ effect on our satiety



is the control center and helps control meal size

Components of Energy expenditure

basal metabolism, basal metabolic rate, resting metabolic rate, and lean body mass, and physical activity

Basal Metabolic Rate (BMR)

the rate at which the body expends energy for life sustaining activities.

Resting Metabolic Rate (RMR)

the caloric expenditure of the body during resting conditions

Physical activity

voluntary movement of skeletal muscles and support system. it is the most variable, and changable component of energy expenditure. depends of 3 factors, muscle mass, body weight, and activity.

Factors that influence energy expenditure

gender, age, growth, body composition, fever, stress, enviornmental temp, fasting/starvation. malnutrition, hormones, smoking, caffeine, and sleep, greater muscle mass has greatest effect on resting energy expenditure


Body Mass Index

Abdominal Fat

excess fat around the trunk of the body, increases risk of disease

Ways to measure body fat

skin fold, hydrodensitometry, bioelectrical impedence, air displacement plethysmography, duel energy xray absorbption

health risk with weight

over and underweight, over weight has increase disease, underweight malnutrition

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