Table 2.

Estimated metabolic rates of tissues and percentage contribution to total metabolism [34].

	REE	MEN	WOMEN
	kcal/kg/Day	% Total REE	% Total REE
Liver	200	17	18
Brain	240	19	21
Heart	440	9	8
Kidneys	440	8	8
Skeletal muscle a	13	24	20
Adipose tissue	4.5	4	7
Other b	12	19	18
Total		100	100

REE, resting energy expenditure. ^a Resting and nonexercised recovery rate; ^b skeleton, blood, skin, gastrointestinal tract, lungs, spleen, and other organs.