Hemoglobin Polypeptide Chains RBCs Heme Group

Blood Testing for Detecting Disorders Blood disorders can be detected by looking at blood smears (a drop of blood between two slides. A complete blood count (CBC) can be performed on a blood sample to determine : A) the number of RBC’s B) the number of WBC’s

C) the total amount of hemoglobin in the blood D) the hematocrit E) the size of the RBC’s F) the platelet count

RBC Regulation by Negative Feedback Oxygen deficiency Stimulates Stimulates Erythropoietin production by kidneys Red blood cell production in bone marrow Inhibits Causes Restored oxygen level

Types of White Blood Cells T-cells-programmed in the thymus gland B-cells-programmed in the spleen Null cells-no cell surface antigens Macrophages large cells that eat up debris Neutrophils-pus forming cells

A White Blood Cell Attacks Bacteria Macrophage Bacteria Pseudopodia

The Production of Platelets

Blood Clotting (a)

Blood Clotting (b) Fibrin Network Platelets Trapped RBCs