1. BLOOD

3. Body contains 4-6 L Consists of – Water – Red Blood Cells – Plasma – White blood cells and platelets

4. Whole Blood Sample Red blood cells White blood cells Platelets Plasma Sample Placed in CentrifugeBlood Sample That Has Been Centrifuged

5. Whole Blood Sample Red blood cells White blood cells Platelets Plasma Sample Placed in Centrifuge Blood Sample That Has Been Centrifuged

6. Whole Blood Sample Red blood cells White blood cells Platelets Plasma Sample Placed in Centrifuge Blood Sample That Has Been Centrifuged

7. Liquid Portion (Plasma) Carries Blood cells – Erythrocytes (RBC - red blood cells) – Leucocytes (WBC - white blood cells) Platelets (non cellular particles) Proteins Nutrients - Digestive System Gases - Respiratory System Inorganic salts

8. Hemoglobin, iron containing molecule Loosely picks up oxygen in the lungs Loses oxygen in areas low in oxygen (diffuses) Oxygenated Blood

9. 50% Water 45% Erythrocytes (RBC) 4% Plasma with Substances 1% Leukocytes (WBC) + Platelets

11. LABEL Red Blood Cell Platelet White Blood Cell

12. Transporters of – Oxygen – Carbon Dioxide RBC – Lack a nucleus – Contain hemoglobin – Disk-shaped RBC are produced in red bone marrow of – ribs, – humerus, – femur, – sternum, and other long bones Lives for 120 days

13. fight infection/disease – Attack foreign substances Less abundant Large cells Some live for months – Most just a few days ALL contain nuclei

14. PLATELETS are for CLOTTING blood Cell fragments Produced in bone marrow Short life span (1 week) Fibrin (sticky network of protein fibers) – Form a web trapping blood cells

16. Break in Capillary Wall Clumping of PlateletsClot Forms

17. Massive loss of blood requires a transfusion Four Types – A – B – AB – O Inherited from your parents

18. Plasma contains proteins that correspond to the shape of the different antigens If you mix one type with the wrong one, you get CLUMPING Type O is the universal donor Type AB is the universal acceptor