Average amount of blood in an adult is
2
3
5
7
The percentage of blood cells in whole blood is called
plasma
hematocrit
erythrocytes
serum
The buffy coat evidenced by separating blood cells is comprised of _____.
platelets
white cells
platelets and leukocytes
Damaged or old red blood cells are removed by the liver and ______
kidney
skeletal muscle
bone marrow
spleen
Which organ has a primary role in stimulating blood cell formation
liver