| A | B |
| plasma | liquid portion of blood |
| WBC | Approximately 1% of blood volume |
| RBC | Approximately 45% of whole blood |
| hematocrit | a measure of the amount of plasma, RBC and WBC |
| Neutrophil | granulocyte - 40 - 70% of WBC |
| Eosinophil | granulocyte - 1 - 4% of WBC |
| Basophil | granulocyte - 0 - 1 % of WBC |
| Lymphocyte | agranulocyte - 20 - 45% of WBC |
| Platelets | called thrombocytes, clot blood |
| erythropoiesis | blood formation |
| anemia | oxygen carrying capacity of blood diminshed |
| Monocyte | agranulocyte - 4 - 8 % of WBC |
| erythrocyte | RBC |
| hemoglobin | 33% of weight of RBC, carries Oxygen |
| leukocytes | exhibit diapedesis, less numerous than RBC |
| Red Marrow | place of formation of RBC |
| thrombopoietin | Stimulates function of Platelets |
| plasma protein made by liver, acts as buffer | albumin |
| plasma protein which acts in clotting | fibrinogen |