Question

Active bone marrow in adult human being is about

• A. 3.5 - 6% of the body weight
• B. 3.5 - 6% of total blood
• C. 3.5 - 6% of the total body fluid
• D. 3.5 - 6% of coelomic fluid

Answer 1

The correct option is A 3.5 - 6% of the body weight

Hollow cavities of long bones contain bone marrow tissue. It accounts for 3.5 to 6 percent of body weight. Active bone marrow is also known as red bone marrow and is the site of blood cell formation.