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Approximately how much blood does an average adult human body contain?
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17. The Blood
Introduction To Blood
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Approximately how many pints of blood does the average adult human body contain?
A
About 20 pints
B
About 2 pints
C
About 10 pints
D
About 5 pints
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Understand that the average adult human body contains a certain volume of blood, which is typically measured in pints or liters.
Recall that the average blood volume for an adult is roughly 7% to 8% of their total body weight.
Recognize that for an average adult weighing about 150 pounds (68 kg), this percentage translates to approximately 5 to 6 liters of blood.
Convert liters to pints, knowing that 1 liter is approximately equal to 2.11 pints, to estimate the total blood volume in pints.
Use this conversion to find that the average adult has about 10 pints of blood, which aligns with the correct answer choice.
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