The heart, by way of the coronary circulation, receives about 5% of the circulating blood. In relation to the heart's size this means that: the heart is receiving about 10 times the amount of blood as predicted by its size the heart is receiving about 1/10 the amount of blood as predicted by its size the heart is receiving the amount of blood predicted by its size
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#11. 1. When the ventricles of the heart contract the coronary circulation to the heart muscle is impeded. Given this fact, when does blood circulate in heart muscle and what directly supplies the force to move the blood through the coronary circulation? 2. Why did people a long time ago believe that the heart was the center for emotions?
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At a resting pulse rate of 75 beats per minute, the human heart typically pumps about 69 mL of blood per beat. Blood has a density of 1060 kg/mÂł. Circulating all of the blood in the body through the heart takes about 1 min for a person at rest. Approximately how much blood is in the body? volume of blood in body: 5.925 x 10^-3 On average, what mass of blood does the heart pump with each heart beat? mass per heart beat: 0.0795
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