Question- At a resting pulse rate of 75 beats per minute, the human heart typically pumps about 71 mL of blood per beat. Blood has a denstity of 1060 kg / m3. Circulating all of the blood in the body through the heart takes about 1 min for a person at rest. (a) How much blood is in the body? (b) On average, what mass of blood does the heart pump with each heart beat?
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