1. Blood is a mixture of cells in plasma Red blood cell Platelet White blood cell (granulocyte)

2. White blood cells engulfing bacteria

3. Monocyte lassoing bacteria

4. Blood Vessels: The roads blood travels

5. Artery Vein Capillaries Structure of an Artery, Vein and Capillary

6. External View of Heart Pulmonary vein Aorta Vena Cava Coronary arteries

7. Internal Anatomy of the Heart labeled aorta Left pulmonary artery Left pulmonary veins Left atrium Left ventricle Right atrium Right ventricle Right pulmonary veins Right Pulmonary artery Vena cava

8. Internal Anatomy of the Heart

9. Oxygen and Carbon Dioxide Exchange in the Capillaries

10. Alveoli

11. Oxygen and carbon dioxide exchange in alveoli

12. How common are the different blood types in the U.S.?