1. Figure 42.0 External gills of a salmon

2. Figure 42.1 Internal transport in the cnidarian Aurelia

3. Figure 42.1x Aurelia (moon jelly)

4. Figure 42.2 Open and closed circulatory systems

5. Figure 42.3 Generalized circulatory schemes of vertebrates

6. Figure 42.4 The mammalian cardiovascular system: an overview

7. Figure 42.5 The mammalian heart: a closer look

8. Figure 42.6 The cardiac cycle

9. Figure 42.7 The control of heart rhythm

10. P R Q S T P PR ST TP interval

11. NORMAL RATE AND RHYTHM ABNORMALITIES IN RATE Tachycardia

12. ABNORMALITIES IN RHYTHM Extrasystole (premature beat) Ventricular fibrillation Complete heart block

13. CARDIAC MYOPATHIES Myocardial infarction

14. Figure 42.8 The structure of blood vessels

15. Figure 42.9 Blood flow in veins

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

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 43.4 The human lymphatic system

21. Figure 42.14 The composition of mammalian blood

22. Figure 42.14x Blood smear

23. Figure 42.15 Differentiation of blood cells

24. Figure 42.16a Blood clotting

25. Figure 42.16x Blood clot

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

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

31. Figure 42.22 Tracheal systems

32. Figure 42.23ab The mammalian respiratory system

33. Figure 42.23c Alveoli

34. Figure 42.23cx1 Alveolar structure of mouse lung

35. Figure 42.23cx2 Alveolar structure of mouse lung

36. Figure 42.24 Negative pressure breathing

37. Figure 42.25 The avian respiratory system

38. Figure 42.26 Automatic control of breathing

39. Figure 42.27 Loading and unloading of respiratory gases

40. Figure 5.23 The quaternary structure of proteins

42. Figure 42.28 Oxygen dissociation curves for hemoglobin

43. Unnumbered Figure (page 899) Dissociation curves for two hemoglobins

44. Figure 42.29 Carbon dioxide transport in the blood

45. Figure 42.30 The Weddell seal, Leptonychotes weddelli, a deep-diving mammal