An artery of diameter 1.0 cm divides completely into capillaries, each of diameter 20 microns. There are a large number of capillaries, N, such that the net cross sectional area for these capillaries is equal to the cross sectional area of the artery. What is APc/APa, the ratio of the pressure change per unit length along one of the capillaries (AP.) to that of the pressure change per unit length along the artery (APa)? O5.0 x102 O4.0 x10-6 1.0 O1.2 x108 O6.2 x1010 2.5 x105
An artery of diameter 1.0 cm divides completely into capillaries, each of diameter 20 microns. There are a large number of capillaries, N, such that the net cross sectional area for these capillaries is equal to the cross sectional area of the artery. What is APc/APa, the ratio of the pressure change per unit length along one of the capillaries (AP.) to that of the pressure change per unit length along the artery (APa)? O5.0 x102 O4.0 x10-6 1.0 O1.2 x108 O6.2 x1010 2.5 x105
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Transcribed Image Text:Q. Blood flow.
An artery of diameter 1.0 cm divides
completely into capillaries, each of
diameter 20 microns. There are a large
number of capillaries, N, such that the net
cross sectional area for these capillaries is
equal to the cross sectional area of the
artery. What is APc/APa, the ratio of the
pressure change per unit length along one
of the capillaries (AP.) to that of the
pressure change per unit length along the
artery (APa)?
5.0 x102
O4.0 x10-6
1.0
O1.2 x108
6.2 x1010
2.5 x105
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