PHYSICS RESOURCES DATABASE
PHYSICAL PROPERTIES
The human cardiovascular system
|
Blood density (37 °C) |
1.058E3 kg.m-3 |
|
Number of red cells per mm3 of blood |
5E6 |
|
Number of white cells per mm3 of blood |
8E3 |
|
Flow rate at heart Resting Intense activity |
5 L/min 25 L/min |
|
Time for a tracer to circulate |
18 - 24 s |
|
Time for complete circulation |
54 s |
|
Blood volume (70 kg person) |
5.2 L |
|
Gauge pressure, right ventricle, peak |
3 kPa (25 mmHg) |
|
Gauge pressure, left ventricle, peak |
16 kPa (120 mmHg) |
|
Mean gauge pressure, large veins |
1.07 kPa (8 mmHg) |
|
Mean gauge pressure, large arteries |
12.8 kPa (96 mmHg) |
|
Mean gauge pressure, at the heart |
13.3 kPa (100 mmHg) |
|
Pressure drop per cm of aorta |
4.3 Pa (0.032 mmHg) |
|
Power required by heart at rest |
~10 W |