Question

In an adult human ____________ litres of blood is present and it makes up about ___________ percent of body weight.

• A. 5-6
• B. 7-8

Answer 1

Blood

1. Blood is the fluid connective tissue. It is constantly circulating providing the body with nutrition, oxygen and also helps in waste removal.
2. In an adult human 5 to 6 litres of blood is present in the body. The amount of blood circulating within an individual depends on their size and weight. Women tend to have a lower blood volume than men. However, a woman's blood volume increases by roughly 50% during pregnancy.
3. Blood makes up to about 7-8% of the body weight.

Final answer: In an adult human 5-6 litres of blood is present and it makes up about 7-8 percent of body weight.