1. White Blood Cells

2. Types

3. What do they do?  Play a large role in the immune system  Fight disease and infection  Creating antibodies  Phagocytosis

4.  Doctors can use the amount of white blood cells to determine if our body is fighting an infection.

5. 3 Types of Phagocytic WBC’s  Eosinophils  Neutrophils  Monocytes

6. Phagocytic leucocytes  Consume infectious micro-organisms  Bacteria  Viruses  Dead cells

7. Eosinophils  Respiratory and digestive tracts  Parasites and Allergies

8. Neutrophils  50-60% WBC’s  Can leave blood vessels  Pus

9. Monocytes  Live in the bloodstream  Go into tissues and become macrophages  BIG!

10. Ejection of debris by exocytosis

11.  https://www.youtube.com/watch?v=UKwwvIaR9aI https://www.youtube.com/watch?v=UKwwvIaR9aI  https://www.youtube.com/watch?v=7VQU28itVVw https://www.youtube.com/watch?v=7VQU28itVVw