HEALTH & EXERCISE Module 8
Breathing and Gas Exchange
The Human Thorax <ul><li>How the structure of the thorax enable ventilation of the lungs and gas exchange. </li></ul><ul><...
 
Trachea
Trachea – surrounded by cartilage rings that keep the tube open
 
Trachea – surrounded by cartilage rings that keep the tube open Left lung
Trachea – surrounded by cartilage rings that keep the tube open Left lung Left bronchus, the major division of the trachea...
 
Trachea – surrounded by cartilage rings that keep the tube open Left lung Left bronchus, the major division of the trachea...
 
Trachea – surrounded by cartilage rings that keep the tube open Left lung Left bronchus, the major division of the trachea...
 
Trachea – surrounded by cartilage rings that keep the tube open Left lung Left bronchus, the major division of the trachea...
 
Trachea – surrounded by cartilage rings that keep the tube open Left lung Left bronchus, the major division of the trachea...
Trachea – surrounded by cartilage rings that keep the tube open Left lung Left bronchus, the major division of the trachea...
Trachea – surrounded by cartilage rings that keep the tube open Left lung Left bronchus, the major division of the trachea...
 
Trachea – surrounded by cartilage rings that keep the tube open Left lung Left bronchus, the major division of the trachea...
 
Gas Exchange in the alveoli
Gas Exchange in the alveoli Oxygen from the air in the alveoli diffuses into the blood. At the same time, carbon dioxide f...
Gas Exchange in the alveoli Oxygen from the air in the alveoli diffuses into the blood. At the same time, carbon dioxide f...
Gas Exchange in the alveoli Oxygen from the air in the alveoli diffuses into the blood. At the same time, carbon dioxide f...
Gas Exchange in the alveoli Oxygen from the air in the alveoli diffuses into the blood. At the same time, carbon dioxide f...
Gas Exchange in the alveoli Oxygen from the air in the alveoli diffuses into the blood. At the same time, carbon dioxide f...
Gas Exchange in the alveoli Oxygen from the air in the alveoli diffuses into the blood. At the same time, carbon dioxide f...
Gas Exchange in the alveoli Oxygen from the air in the alveoli diffuses into the blood. At the same time, carbon dioxide f...
Gas Exchange in the alveoli Oxygen from the air in the alveoli diffuses into the blood. At the same time, carbon dioxide f...
Breathing
Breathing Breathing in  (inspiration)
Breathing Breathing in  (inspiration) intercostal muscles contract
Breathing Breathing in  (inspiration) intercostal muscles contract rib cage moves up and out
Breathing Breathing in  (inspiration) intercostal muscles contract rib cage moves up and out diaphragm becomes flatter whe...
Breathing Breathing in  (inspiration) intercostal muscles contract rib cage moves up and out diaphragm becomes flatter whe...
Breathing Breathing in  (inspiration) intercostal muscles contract rib cage moves up and out diaphragm becomes flatter whe...
Breathing Breathing in  (inspiration) intercostal muscles contract rib cage moves up and out diaphragm becomes flatter whe...
Breathing Breathing in  (inspiration) intercostal muscles contract rib cage moves up and out diaphragm becomes flatter whe...
Breathing Breathing in  (inspiration) intercostal muscles contract rib cage moves up and out diaphragm becomes flatter whe...
 
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Gas exchange

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Gas exchange

  1. 1. HEALTH & EXERCISE Module 8
  2. 2. Breathing and Gas Exchange
  3. 3. The Human Thorax <ul><li>How the structure of the thorax enable ventilation of the lungs and gas exchange. </li></ul><ul><li>Trachea, cartilage rings, bronchi, bronchioles, alveoli, diaphragm, ribs, intercostal muscles </li></ul>
  4. 5. Trachea
  5. 6. Trachea – surrounded by cartilage rings that keep the tube open
  6. 8. Trachea – surrounded by cartilage rings that keep the tube open Left lung
  7. 9. Trachea – surrounded by cartilage rings that keep the tube open Left lung Left bronchus, the major division of the trachea as it enters the lungs
  8. 11. Trachea – surrounded by cartilage rings that keep the tube open Left lung Left bronchus, the major division of the trachea as it enters the lungs Bronchiole – a smaller branch off the larger bronchus
  9. 13. Trachea – surrounded by cartilage rings that keep the tube open Left lung Left bronchus, the major division of the trachea as it enters the lungs Bronchiole – a smaller branch off the larger bronchus Heart – responsible for pumping blood around the body
  10. 15. Trachea – surrounded by cartilage rings that keep the tube open Left lung Left bronchus, the major division of the trachea as it enters the lungs Bronchiole – a smaller branch off the larger bronchus Heart – responsible for pumping blood around the body Rib – provides protection for lungs and heart
  11. 17. Trachea – surrounded by cartilage rings that keep the tube open Left lung Left bronchus, the major division of the trachea as it enters the lungs Bronchiole – a smaller branch off the larger bronchus Heart – responsible for pumping blood around the body Rib – provides protection for lungs and heart Right lung
  12. 18. Trachea – surrounded by cartilage rings that keep the tube open Left lung Left bronchus, the major division of the trachea as it enters the lungs Bronchiole – a smaller branch off the larger bronchus Heart – responsible for pumping blood around the body Rib – provides protection for lungs and heart Right lung Right bronchus
  13. 19. Trachea – surrounded by cartilage rings that keep the tube open Left lung Left bronchus, the major division of the trachea as it enters the lungs Bronchiole – a smaller branch off the larger bronchus Heart – responsible for pumping blood around the body Rib – provides protection for lungs and heart Right lung Right bronchus Alveoli (air sacs), site of gas exchange
  14. 21. Trachea – surrounded by cartilage rings that keep the tube open Left lung Left bronchus, the major division of the trachea as it enters the lungs Bronchiole – a smaller branch off the larger bronchus Heart – responsible for pumping blood around the body Rib – provides protection for lungs and heart Right lung Right bronchus Alveoli (air sacs), site of gas exchange Intercostal muscles lift ribs up & out
  15. 23. Gas Exchange in the alveoli
  16. 24. Gas Exchange in the alveoli Oxygen from the air in the alveoli diffuses into the blood. At the same time, carbon dioxide from the blood diffuses into the alveoli.
  17. 25. Gas Exchange in the alveoli Oxygen from the air in the alveoli diffuses into the blood. At the same time, carbon dioxide from the blood diffuses into the alveoli. Oxygen dissolves in the moist lining
  18. 26. Gas Exchange in the alveoli Oxygen from the air in the alveoli diffuses into the blood. At the same time, carbon dioxide from the blood diffuses into the alveoli. Oxygen dissolves in the moist lining Oxygen diffuses into the blood
  19. 27. Gas Exchange in the alveoli Oxygen from the air in the alveoli diffuses into the blood. At the same time, carbon dioxide from the blood diffuses into the alveoli. Oxygen dissolves in the moist lining Oxygen diffuses into the blood the blood carries oxygen to the cells
  20. 28. Gas Exchange in the alveoli Oxygen from the air in the alveoli diffuses into the blood. At the same time, carbon dioxide from the blood diffuses into the alveoli. Oxygen dissolves in the moist lining Oxygen diffuses into the blood the blood carries oxygen to the cells cells of the body use oxygen for respiration
  21. 29. Gas Exchange in the alveoli Oxygen from the air in the alveoli diffuses into the blood. At the same time, carbon dioxide from the blood diffuses into the alveoli. Oxygen dissolves in the moist lining Oxygen diffuses into the blood the blood carries oxygen to the cells cells of the body use oxygen for respiration carbon dioxide goes into the blood
  22. 30. Gas Exchange in the alveoli Oxygen from the air in the alveoli diffuses into the blood. At the same time, carbon dioxide from the blood diffuses into the alveoli. Oxygen dissolves in the moist lining Oxygen diffuses into the blood the blood carries oxygen to the cells cells of the body use oxygen for respiration carbon dioxide goes into the blood the blood carries carbon dioxide to the lungs
  23. 31. Gas Exchange in the alveoli Oxygen from the air in the alveoli diffuses into the blood. At the same time, carbon dioxide from the blood diffuses into the alveoli. Oxygen dissolves in the moist lining Oxygen diffuses into the blood the blood carries oxygen to the cells cells of the body use oxygen for respiration carbon dioxide goes into the blood the blood carries carbon dioxide to the lungs carbon dioxide diffuses into the alveoli
  24. 32. Breathing
  25. 33. Breathing Breathing in (inspiration)
  26. 34. Breathing Breathing in (inspiration) intercostal muscles contract
  27. 35. Breathing Breathing in (inspiration) intercostal muscles contract rib cage moves up and out
  28. 36. Breathing Breathing in (inspiration) intercostal muscles contract rib cage moves up and out diaphragm becomes flatter when the muscle contracts
  29. 37. Breathing Breathing in (inspiration) intercostal muscles contract rib cage moves up and out diaphragm becomes flatter when the muscle contracts air rushes in
  30. 38. Breathing Breathing in (inspiration) intercostal muscles contract rib cage moves up and out diaphragm becomes flatter when the muscle contracts Breathing out (expiration) intercostal muscles relax
  31. 39. Breathing Breathing in (inspiration) intercostal muscles contract rib cage moves up and out diaphragm becomes flatter when the muscle contracts Breathing out (expiration) intercostal muscles relax rib cage moves down and in
  32. 40. Breathing Breathing in (inspiration) intercostal muscles contract rib cage moves up and out diaphragm becomes flatter when the muscle contracts Breathing out (expiration) intercostal muscles relax rib cage moves down and in diaphragm becomes dome-shaped when the muscle relaxes
  33. 41. Breathing Breathing in (inspiration) intercostal muscles contract rib cage moves up and out diaphragm becomes flatter when the muscle contracts intercostal muscles relax rib cage moves down and in diaphragm becomes dome-shaped when the muscle relaxes air is pushed out
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