1. Welcome Wait, what are we learning about? Welcome to… MB

2. Oxygen Cell Hi I am O 2,you can call me oxygen, and I will be your guide today. JH

3. Respiratory Intro You may be asking, what is the Respiratory system? Well, the Respiratory system is the system that helps you breath in and out, so oxygen (0 2 ) can be pumped through your body and carbon dioxide (CO 2 ) can be removed from the blood stream. The Respiratory system is made up of many different organs. JH

5. Where do we start? Where does oxygen enter the body? MB We are here.

6. This is where it all begins. This is where the oxygen first enters your body and also where Carbon Dioxide makes its final exit. The Nose and Mouth MB

7. Nose and Mouth MB

8. Where are We? We are here. MB

9. The Pharynx and Trachea MB

10. Where are We? We are here. MB

11. The Bronchi and Bronchioles Intro MB

12. Where are We? Alveoli We are here. MB

13. Alveoli MB

14. Diagram of Diaphragm JH Diaphragm

15. JH