Table 1.

Organ and tissue coefficients used in developing models

Weight, kg Density, kg/l Potassium, mmol/kgMetabolic Rate, kJ ⋅ kg−1 ⋅ day−1
Skeletal muscle 28.0 1.04 76.7 55.0
Adipose tissue 15.0 0.92 8.2 19
Liver 1.8 1.05063.9 840
Brain 1.4 1.03 76.4 1,008
Heart 0.33 1.03 54.5 1,848
Kidneys 0.311.05 48.4 1,848
Residual* 23.16 45.650
  • Weight, density, and potassium were derived from 70-kg Reference Man (48); metabolic rate was derived from Elia (8).

  • * Residual mass was not assigned a density but was calculated as body mass minus sum of other measured mass components.