In a typical healthy adult human, approximately how many pints of blood are in the body?

• A. About 10 pints
• B. About 5 pints
• C. About 2 pints
• D. About 20 pints

Answer: (A)

Verified step by step guidance

1. Understand that the question asks for the approximate volume of blood in a typical healthy adult human body, which is a standard physiological fact.
2. Recall that the average adult human body contains about 4.5 to 5.5 liters of blood, depending on factors like body size and sex.
3. Convert liters to pints, knowing that 1 liter is approximately equal to 2.11 pints. This conversion helps translate the volume into the units asked for in the question.
4. Multiply the average blood volume in liters by the conversion factor to get the approximate number of pints of blood in the body.
5. Compare the calculated value to the given options to identify the closest approximate amount of blood in pints.