Copy Of 01 Breathing

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Copy Of 01 Breathing

  1. 1. Breathing
  2. 2. Objectives <ul><li>Name parts of the lungs </li></ul><ul><li>Describe how and why we inhale and exhale </li></ul><ul><li>Describe how gas exchange works in an alveolus </li></ul><ul><li>Describe 4 special features of the alveoli </li></ul>
  3. 3. Keywords <ul><li>Trachea, bronchus , bronchiole, alveolus , alveoli, diaphragm , intercostal muscles, inhale , exhale, ventilation </li></ul>
  4. 4. The Lungs nabdome valeoli bronciohle norbchus phragmiad lugn bir sumcles ribs axthor cheaart
  5. 5. The Lungs phragmiad nabdome axthor cheaart norbchus valeoli bronciohle lugn bir sumcles ribs
  6. 6. The Lungs diaphragm abdomen thorax trachea bronchus alveoli bronchiole lung rib muscles ribs
  7. 7. Inhaling The diaphragm moves down Ribs move up and out
  8. 8. Exhaling The diaphragm moves up Ribs move down and in
  9. 10. Gas Exchange Red blood cell (dumping carbon dioxide) oxygen Carbon dioxide capillary alveolus Red blood cell (picking up oxygen)
  10. 11. Plenary <ul><li>State 3 ways in which alveoli are adapted to their function: </li></ul><ul><li>Thin </li></ul><ul><li>Moist </li></ul><ul><li>Rich blood supply (lots of capillaries around them) </li></ul>

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