Relier Pairs Blood Basics Version en ligne Review par Chantica Valverde 1 Hemoglobin 2 Leukocytes 3 Erythrocytes 4 Thrombocytes 5 Hematocrit 6 PLASMA White Blood cells, play a key role in the immune system and inflammatory response Platelets, which are important in blood clotting red blood cells, contain hemoglobin and transport oxygen to the cell is the liquid part of the blood is iron-based compound that binds with oxygen and transport it to the cells. is the percentage of the blood occupied by red blood cells, or erythrocytes