## College Physics (4th Edition)

$V = 5.0\times 10^{-3}~m^3$
We can estimate the volume of blood in the human body as: $V = L\times A$ $V = L\times \pi~R^2$ $V = (10^8~m)(\pi)(4\times 10^{-6}~m)^2$ $V = 5.0\times 10^{-3}~m^3$