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Circulatory and Gas Exchange

Circulatory and Gas Exchange. Intimate exchange of gases via capillaries. Figure 42.0 External gills of a salmon. Figure 42.1 Internal transport in the cnidarian Aurelia. Invertebrate: Jelly fish. Figure 42.1x Aurelia (moon jelly). Figure 42.2 Open and closed circulatory systems.

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Circulatory and Gas Exchange

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  1. Circulatory and Gas Exchange

  2. Intimate exchange of gases via capillaries Figure 42.0 External gills of a salmon

  3. Figure 42.1 Internal transport in the cnidarian Aurelia Invertebrate: Jelly fish

  4. Figure 42.1x Aurelia (moon jelly)

  5. Figure 42.2 Open and closed circulatory systems

  6. Figure 42.3 Generalized circulatory schemes of vertebrates

  7. Figure 42.4 The mammalian cardiovascular system: an overview Blood circulation

  8. Figure 42.5 The mammalian heart: a closer look Blood Circulation

  9. Figure 42.6 The cardiac cycle

  10. An increase of 1o C increases HR 10 bpm. Had a fever lately? Figure 42.7 The control of heart rhythm Purkinje Fibers

  11. Figure 42.8 The structure of blood vessels

  12. Figure 42.9 Blood flow in veins

  13. Figure 42.10 The interrelationship of blood flow velocity, cross-sectional area of blood vessels, and blood pressure

  14. Figure 42.11 Measurement of blood pressure (Layer 1)

  15. Figure 42.11 Measurement of blood pressure (Layer 2)

  16. Figure 42.11 Measurement of blood pressure (Layer 3)

  17. Figure 42.11 Measurement of blood pressure (Layer 4)

  18. Figure 42.12 Blood flow in capillary beds

  19. Figure 42.13 The movement of fluid between capillaries and the interstitial fluid

  20. Figure 42.14 The composition of mammalian blood

  21. Figure 42.15 Differentiation of blood cells

  22. Figure 42.16a Blood clotting Injury to blood vessel: Platelets, damaged cells and plasma all contribute clotting factors Prothrombin Thrombin Fibrinogen Fibrin

  23. Figure 42.16x Blood clot

  24. Figure 42.17 Atherosclerosis: normal artery and artery with plaque

  25. Angiogenesis and Cancer • Video: Angiogenesis and Cancer (15-20 minutes)

  26. Respiratory System

  27. Figure 42.18 The role of gas exchange in bioenergetics

  28. Figure 42.19 Diversity in the structure of gills, external body surfaces functioning in gas exchange

  29. Figure 42.20 The structure and function of fish gills

  30. Figure 42.21 Countercurrent exchange Maximizes oxygen flow from the water to the blood

  31. Figure 42.22 Tracheal systems

  32. Figure 42.23ab The mammalian respiratory system

  33. Figure 42.23c Alveoli

  34. Figure 42.23cx2 Alveolar structure of mouse lung

  35. Figure 42.24 Negative pressure breathing

  36. Figure 42.25 The avian respiratory system Tubes in the lungs are the parabronchi

  37. Figure 42.26 Automatic control of breathing

  38. Figure 42.27 Loading and unloading of respiratory gases

  39. Figure 42.28 Oxygen dissociation curves for hemoglobin Bohr Effect or Shift Hemoglobin: Heme group Hemocyanin: blood pigment in insects; Cu is the oxygen binder giving the blood a bluish tint.

  40. Figure 42.29 Carbon dioxide transport in the blood

  41. The Tissue Level Tissues Capillary O2 O2 + HHb HHbO2 HbO2- + H+ CO2 CO2 + H2O H2CO3 H+ + HCO3- Plasma

  42. At The Lungs Lungs Capillary O2 O2 + HHb HHbO2 HbO2- + H+ CO2 CO2 + H2O H2CO3 H+ + HCO3- Plasma

  43. Figure 42.30 The Weddell seal, Leptonychotes weddell, a deep-diving mammal

  44. Unnumbered Figure (page 899) Dissociation curves for two hemoglobins Fetal Hb has a different polypeptide that increases it affinity for oxygen.

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