The Circulatory System Part 2: Blood Vessels
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YouTubeProfessor Dave Explains
The Circulatory System Part 2: Blood Vessels
Now that we understand the structure and function of the heart, which is to pump blood all around the body, what is the blood traveling around in exactly? Those would be blood vessels. There are many kinds, like arteries, arterioles, capillaries, venules, and veins, and they all have a few differences. Let's zoom in on each of these now! Watch ...
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The blood vascular system consists of blood vessels (arteries, arterioles, capillaries, and veins) that convey blood from the heart to the organs and back to the heart. This system should work so as to minimize the energy expended by the heart in pumping the blood. In particular, this energy is reduced when the resistance of the blood is lowered. One of Poiseuille's Laws gives the resistance R of the blood as R = CLr^4 where L is the length of the blood vessel, r is the radius, and C is a positi
The blood vascular system consists of blood vessels (arteries, arterioles, capillaries, and veins) that convey blood from the heart to the organs and back to the heart. This system should work so as to minimize the energy expended by the heart in pumping the blood. In particular, this energy is reduced when the resistance of the blood is lowered. One of Poiseuille's Laws gives the resistance R of the blood as R = CLr^4 where L is the length of the blood vessel, r is the radius, and C is a positi
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