All the blood that passes through the aorta, except the blood that flowsinto the coronary vessels, returns to the heart through the venae cavae.(Hint: The diameter of the aorta is 26 mm, and the diameter of avena cava is 32 mm.) Explain why the resistance to blood flow in theaorta is greater than the resistance to blood flow in the venae cavae.Because the resistances are different, explain why blood flow can bethe same.

Body Structures & Functions Updated
13th Edition
ISBN:9780357191606
Author:Scott
Publisher:Scott
Chapter13: Heart
Section: Chapter Questions
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All the blood that passes through the aorta, except the blood that flows
into the coronary vessels, returns to the heart through the venae cavae.
(Hint: The diameter of the aorta is 26 mm, and the diameter of a
vena cava is 32 mm.) Explain why the resistance to blood flow in the
aorta is greater than the resistance to blood flow in the venae cavae.
Because the resistances are different, explain why blood flow can be
the same.

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