The three components of total energy expenditure are

1) resting metabolic rate (RMR); 2) the thermic effect of feeding (TEF); and 3) the thermic effect of activity (TEA). RMR constitutes 60 to 75% of daily energy expenditure and is the energy associated with the maintenance of major body functions.

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genewho genewho · Answer 2 · 2021-11-09T12:55:25+01:00

The three components of total energy expenditure are:

The body constantly expends energy to live and therefore it is necessary to replace it with the food we eat, this relationship is known as energy expenditure.

Basal metabolism (60-65%).

It is the amount of energy that the body consumes throughout the day to fulfill its basic vital functions, such as breathing for example, and is influenced by age, sex, and body composition.

Thermic effect of activity (25%).

It is the energy we use to move, walk, and it is the most variable component of all, due to factors such as the type of activity, its intensity and its duration.

Thermic effect of food (10%).

It is the energy that we spend for the digestion, absorption, distribution, storage and excretion of the nutrients contained in food.

Therefore, we can conclude that the three components of total energy expenditure are basal metabolic rate, thermic effect of physical activity, and the thermic effect of food.

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