On average, how much blood does a 160-180 pound adult body contain?

The average adult human body contains approximately 6 to 10 liters of blood, which is aligned with the range provided in the chosen option. This amount typically correlates with body weight, where a person weighing between 160 to 180 pounds has a higher blood volume compared to smaller individuals. Blood makes up about 7-8% of the total body weight, and for an adult in this weight range, that percentage translates to roughly 6 to 8 liters of blood. It’s important to understand the physiological significance of this volume, as it plays a crucial role in transporting oxygen, nutrients, and waste products throughout the body, as well as in regulating body temperature and maintaining homeostasis.

The other options listed do not accurately reflect the average blood volume in adult bodies. For example, 3-5 liters would be too low for an adult of this size, while 11-15 liters would be excessive and unrealistic. The figure of 1-2 liters would only be appropriate for a very small child or animal, illustrating the clear distinction between blood volume across different populations. Thus, the option indicating 6-10 liters is definitively supported by biological data and averages found within human physiology.