icandoittoo
Forum Senior
Topics: 20
Posts: 73
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In which type of blood vessel is the mean linear velocity of red blood cell most likely the lowest?
a.-Aorta and large arteries
b.-Arterioles
c.-Capillaries
d.-Small arteries
e.-Vena cavae and large veins
f.-Venules and small veins
Please, post your answer with explanation.
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| black_horse
Forum Newbie
Topics: 1
Posts: 24
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C.
Because all these vascular segments are connected in series, blood flow is constant, so velocity of blood varies inversely with cross-sectional area, and since the capillaries have the largest cross-sectional area they will have lowest velocity of blood.
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| santatoronto
Forum Newbie
Topics: 0
Posts: 10
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Capi pressure is the lowest because the flow there needs to be very slow so exchange between blood and tissues can undergo effectively ?
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| yoga
usmlelogy professor
Topics: 73
Posts: 643
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agree capillaries
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| icandoittoo
Forum Senior
Topics: 20
Posts: 73
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Attached Files:
explanation_cap.doc (38 KB, 36 downloads)
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