Blood is flowing at the rate of 200 cm3/s in a capillary of cross-section area 0.5 m2 . The velocity of flow is mm/s is
0.2
0.3
0.4
0.1
From the equation of continuity (av = constant), we have
0.5 V = 200 X 10-6
V = 4 X 10-4 m/s
V = 0.4 mm/s.