Animal Gas Exchange and circulation

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yourmomhaslice
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212595
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Animal Gas Exchange and circulation
Updated:
2013-04-10 01:35:38
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exam gas exchange circulation
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  1. Gills
    – Specialized organ in large aquatic animals used for respiration
  2. – Specialized organ in large aquatic animals used for respiration
    Gills
  3. Counter current exchange
    • When blood flows in the opposite direction of water over the gills surface. Partial
    • pressure allows for more oxygen to be absorbed this way.
  4. When blood flows in the opposite direction of water over the gills surface. Partial
    pressure allows for more oxygen to be absorbed this way
    Counter current exchange
  5. Tracheae
    • Gas exchange organ used for organisms in dry environments (insects) (they are
    • highly branched tubes that run throughout the body and connect to exterior
    • openings that can be closed to prevent water loss.
  6. Gas exchange organ used for organisms in dry environments (insects) (they are
    highly branched tubes that run throughout the body and connect to exterior
    openings that can be closed to prevent water loss.
    Tracheae
  7. Positive pressure ventilation
    Air pushed into lungs. (frogs)
  8. Air pushed into lungs. (frogs)
    Positive pressure ventilation
  9. negative pressure ventilation
    Air is pulled into lungs. (mammals)
  10. Air is pulled into lungs. (mammals)
    Negative pressure ventilation
  11. Alveoli
    Tiny sacs where gas exchange occurs (lungs are divided into these tiny sacs)
  12. Tiny sacs where gas exchange occurs (lungs are divided into these tiny sacs)
    Alveoli
  13. Muscle that separates the respiratory system from the digestive organs.
    Diaphragm
  14. 4 protein molecules that bind heme molecules. Heme binds to F2+ and F2+ binds to O2 (millions per 1 red blood cell) (they make up most of the red blood cell and their job is to carry oxygen)
    Hemoglobin
  15. Hemoglobin
    • 4 protein molecules that bind heme molecules. Heme binds to F2+ and F2+ binds to O2 (millions per 1 red blood cell) (they make up most of the red blood cell and
    • their job is to carry oxygen)
  16. Open circulatory system
    • Some vessels open
    • into body cavity (hemolymph instead of blood)
  17. Closed circulatory systems
    The system of vessels are continuous – transports blood
  18. The system of vessels are continuous – transports blood
    Closed circulatory systems
  19. Arteries
    Tough with thick walls. They carry blood away from the heart with high pressure.
  20. Tough with thick walls. They carry blood away from the heart with high pressure.
    Arteries
  21. Capillaries
    Small vessels with thin (1 cell thick) branches out all over to exchange gasses and other molecules with tissues.
  22. Small vessels with thin (1 cell thick) branches out all over to exchange gasses and other molecules with tissues.
    Capillaries
  23. Veins
    Vessels that return blood to the heart under low pressure
  24. Heart chambers
    Atrium, ventricle
  25. Atrium
    Receives blood returning from circulation
  26. Receives blood returning from circulation
    Atrium
  27. Ventricle
    Generates force to move blood through the body.
  28. Generates force to move blood through the body.
    Ventricle
  29. Blood flow pattern
    blood flows from lungs to body tissue
  30. Oxygenated blood flow
    from lungs to left atrium/ventricle to body tissue
  31. from lungs to left atrium/ventricle to body tissue
    Oxygenated blood flow
  32. Deoxygenated blood
    from body tissue to right atrium/ventricle.
  33. from body tissue to right atrium/ventricle.
    Deoxygenated blood
  34. SA Node
    • located at the top in the right atrium, sends
    • signal to left and right atrium
  35. located at the top in the right atrium, sends signal to left and right atrium
    SA Node
  36. AV nodes
    Located at the bottom of the right atrium, sends signal to the ventricles for contraction
  37. Located at the bottom of the right atrium, sends signal to the ventricles for contraction
    AV Node
  38. EKG
    Records electrical activity of heart
  39. Records electrical activity of heart
    EKG

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