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  1. Welcome to... The Show of the Century Recline Your Chair, Put Your Feet Up and Enjoy... Learning About the Respiratory System of the Human Body Best viewed at full screen and high resolution

  2. Oxygen Cell Hi I am O2 ,you can call me oxygen, and I will be your guide today. I advise you keep all feet and hands inside the ride at all times. 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 (02) can be pumped through your body and carbon dioxide (CO2) can be removed from the blood stream. You must remember that the Respiratory system is made up of many different organs. JH

  4. Nasal Cavity Throat (pharynx) Nose Mouth Windpipe (Trachea) Bronchi Lungs Bronchiole Ribs Alveolus Diaphragm Respiratory Overview Picture MB

  5. Now we will begin our tour. Welcome to… Welcome The Respiratory System MB

  6. Nasal Passage Tongue Pharynx Bronchi Tubes -Trachea Alveoli (air-sacs) Thin-walled blood vessels called capillaries Where are We? We are here. MB

  7. The Nose and Mouth This is where it all begins. This is where the oxygen first enters your body and also where Carbon Dioxide leaves. MB

  8. The Nose and Mouth When the air comes into your nose it gets filtered by tiny hairs and it is moistened by the mucus that is in your nose. Air can also get into your body through your mouth/oral cavity but air is not filtered as much when it enters in through your mouth. MB

  9. Nasal Passage Tongue Pharynx Bronchi Tubes -Trachea Alveoli (air-sacs) Thin-walled blood vessels called capillaries Where are We? We are here. MB

  10. The Pharynx and Trachea Next we will head down to your pharynx (throat) and your trachea (windpipe). This is where the air passes from your nose to your bronchi tubes and lungs. MB

  11. Mouth Pharynx (Throat) Trachea The Pharynx and Trachea Your pharynx (throat) gathers air after it passes through your nose and then the air is passed down to your trachea (windpipe). MB

  12. Nasal Passage Tongue Pharynx Bronchi Tubes -Trachea Alveoli (air-sacs) Thin-walled blood vessels called capillaries Where are We? We are here. MB

  13. Trachea Your trachea (windpipe) splits up into two bronchi tubes. These two tubes keep splitting up and form your bronchiole. The Bronchi Tubes and Bronchiole o Bronchi tube Bronchiole Aveoli MB

  14. The Bronchi Tubes and Bronchiole These bronchi tubes split up, like tree branches, and get smaller and smaller inside your lungs. The air flows past your bronchi tubes and into your bronchiole. These tubes keep getting smaller and smaller until they finally end with small air sacs (called alveoli). MB

  15. Now a commercial from our sponsors Watch these young ladies teach you about the respiratory system Just click on link below http://www.schooltube.com/video/0736ed4b6481d2f34753/Respiratory-System-Video MB

  16. Nasal Passage Tongue Pharynx Bronchi Tubes The Trachea is held open by partial rings of cartilage. Alveoli (air-sacs) Thin-walled blood vessels called capillaries Bronchioles pass air to and from your alveoli. Very thin cells line the alveoli so that O2 and CO2 can pass in and out of the blood. Where are We? We are here. MB

  17. The Alveoli and Capillary Network Now we will head over to the alveoli and what happens when the air finally makes it down there. MB

  18. The Alveoli and Capillary Network Your alveoli are tiny air sacs that fill up with air/oxygen when you breathe in. Your alveoli are surrounded by many tiny blood vessels called capillaries. The walls of your alveoli (and capillaries) are so thin that the oxygen or carbon dioxide can pass through them, traveling right into, or out of your blood stream. MB

  19. Capillary Carbon Dioxide is dropped off Wall of the air sac Oxygen is picked up Red Blood Cell Alveoli Picture Here is a close up picture of your Alveoli and a Capillary surrounding it. MB

  20. Cool pictures JH

  21. Intro to Diaphragm Now we will look at the Diaphragm. You might be wondering, what does the Diaphragm do? The Diaphragm is an important factor in breathing. JH

  22. Diagram of Diaphragm JH

  23. Inhalation Rib cage moves up and out Diaphragm contracts and moves down Pressure in lung decreases and air comes rushing in MB

  24. Exhalation Rib cage moves down and in Diaphragm relaxes and moves up Pressure in lung increases and air is pushed out MB

  25. The End! The End