L (a) The heart pumps blood into the aorta at a rate of 4.25 • Calculate the average speed of blood min if the aorta's diameter is 2 cm. V blood = 22.55 cm S (b) The aorta branches many times until the blood finally reaches the smallest branch: the capillaries. Each capillary has an average diameter of 7.1 μm and the blood slows down to 0.5 the number of capillaries in the body. Does this answer look reasonable? mm . Calculate S n caps = capillaries

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Answer only question b

L
(a) The heart pumps blood into the aorta at a rate of 4.25
•
Calculate the average speed of blood
min
if the aorta's diameter is 2 cm.
V blood
=
22.55
cm
S
(b) The aorta branches many times until the blood finally reaches the smallest branch: the capillaries.
Each capillary has an average diameter of 7.1 μm and the blood slows down to 0.5
the number of capillaries in the body. Does this answer look reasonable?
mm
.
Calculate
S
n caps
=
capillaries
Transcribed Image Text:L (a) The heart pumps blood into the aorta at a rate of 4.25 • Calculate the average speed of blood min if the aorta's diameter is 2 cm. V blood = 22.55 cm S (b) The aorta branches many times until the blood finally reaches the smallest branch: the capillaries. Each capillary has an average diameter of 7.1 μm and the blood slows down to 0.5 the number of capillaries in the body. Does this answer look reasonable? mm . Calculate S n caps = capillaries
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