Organ | Fraction blood volume (%) | |||
---|---|---|---|---|
Adults (ICRP 106) | Adults (Hays and Segall) | Premature | 0- to 5-year-olds | |
Brain | 1.2 | –a | 2.2 | 13.5 |
Lungs | 12.5 | 15 | 9 | 3 |
Heart wall | 1.0 (same listed has coronary tissue) | 6.9 (includes coronary artery) | 2.5 | 3.1 |
Liver | 10 | 24.3 | – | 9.8 |