the formed elements of blood are ...
a. erythrocytes and keukocytes
b. platelets, plasma, red blood cells
c. erythrocytes, leukocytes, platelets
d. white blood cells, red blood cells, and plasma
a. erythrocytes and keukocytes
b. platelets, plasma, red blood cells
c. erythrocytes, leukocytes, platelets
d. white blood cells, red blood cells, and plasma