The Respiratory System
Respiration <ul><li>Exchange of oxygen and carbon dioxide </li></ul><ul><ul><li>Animals : breathe in oxygen, expels carbon...
Oxygen <ul><li>Burn ATP (adenosine triphosphate, energy giving molecule) </li></ul><ul><li>Process expels carbon dioxide <...
In simple organisms… <ul><li>Respiration occurs between the organism and its immediate surrounding </li></ul>
In more complex organisms
In primates, specifically humans… <ul><li>External </li></ul><ul><ul><li>Between the atmosphere and blood  </li></ul></ul>...
Inspiration and Expiration <ul><li>Act of breathing in </li></ul><ul><li>Act of breathing out  </li></ul>
Process <ul><li>How does air flow through your body? </li></ul>
Parts of the respiratory system
Lungs
Gas exchange in alveoli: Diffusion
Just because you don’t see it, it does not mean there is nothing wrong.
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Respiratory system

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Respiratory system

  1. 1. The Respiratory System
  2. 2. Respiration <ul><li>Exchange of oxygen and carbon dioxide </li></ul><ul><ul><li>Animals : breathe in oxygen, expels carbon dioxide </li></ul></ul><ul><ul><li>Plants: breathe in carbon dioxide, expels oxygen </li></ul></ul><ul><li>What do animals need oxygen for? </li></ul>
  3. 3. Oxygen <ul><li>Burn ATP (adenosine triphosphate, energy giving molecule) </li></ul><ul><li>Process expels carbon dioxide </li></ul>
  4. 4. In simple organisms… <ul><li>Respiration occurs between the organism and its immediate surrounding </li></ul>
  5. 5. In more complex organisms
  6. 6. In primates, specifically humans… <ul><li>External </li></ul><ul><ul><li>Between the atmosphere and blood </li></ul></ul><ul><li>Internal </li></ul><ul><ul><li>Between the blood and the body tissues </li></ul></ul>
  7. 7. Inspiration and Expiration <ul><li>Act of breathing in </li></ul><ul><li>Act of breathing out </li></ul>
  8. 8. Process <ul><li>How does air flow through your body? </li></ul>
  9. 9. Parts of the respiratory system
  10. 10. Lungs
  11. 11. Gas exchange in alveoli: Diffusion
  12. 12. Just because you don’t see it, it does not mean there is nothing wrong.

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