What are the two types of marrow contained in the spongy tissue found in the femur?
A. red bone marrow and white bone marrow
B. red bone marrow and yellow bone marrow
C. white bone marrow and blue bone marrow
D. white bone marrow and yellow bone marrow
B. red bone marrow and yellow bone marrow. Red bone marrow's role is production of red and while blood cells and platelets, while yellow bone marrow produces cartilage fats and bones in the body.
