Blood volume

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Blood volume is the volume of blood (both red blood cells and plasma) in a person's circulatory system. A typical adult male human has a blood volume of some five litres . Blood volume is regulated by the kidneys.

Blood volume (BV) can be calculated given the hematocrit (HC; the fraction of blood that is red blood cells) and plasma volume (PV):

$BV\; =\; frac\{PV\}\{1-HC\}$

References

External links

• http://www.cvphysiology.com/Blood%20Pressure/BP025.htm

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Last updated on Saturday March 01, 2008 at 17:43:28 PST (GMT -0800)
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