Approximately how much blood is in the average adult human body, expressed in quarts?

• A. About 20 to 24 quarts
• B. About 1 to 2 quarts
• C. About 5 to 6 quarts
• D. About 10 to 12 quarts

Answer: (C)

Verified step by step guidance

1. Understand that the average adult human body contains a certain volume of blood, which is essential for transporting oxygen, nutrients, and waste products throughout the body.
2. Recall that blood volume is typically measured in liters or quarts, and the average adult has a blood volume proportional to their body size, usually around 7-8% of their total body weight.
3. Convert the average blood volume from liters to quarts if necessary, knowing that 1 liter is approximately 1.06 quarts.
4. Recognize that the typical blood volume for an average adult is about 5 to 6 quarts, which corresponds to roughly 4.5 to 5.5 liters.
5. Use this information to select the correct answer choice that matches the average blood volume in quarts for an adult human.