A. white blood Cells
B. Platelet
C. Red Blood cells
D. Plasma
Explanation:
Red blood cells (RBCs), also referred to as red cells, red blood corpuscles (in humans or other animals not having nucleus in red blood cells), haematids, erythroid cells or erythrocytes (from Greek erythros for “red” and kytos for “hollow vessel”, with -cyte translated as “cell” in modern usage), are the most common