Total volume of blood in a normal adult human being is
- A. 5-6 liters
- B. 3-4 liters
- C. 8-10 liters
- D. 10-12 liters
Explanation
An average adult has roughly 5 to 6 litres of blood, equal to about 7 to 8 percent of body weight. The exact volume varies with body size, sex, and health.