3. Figure 40.0 Hawk moth

4. Figure 40.1 The structure and function of epithelial tissues

5. Figure 40.1x Epithelial tissues

7. Simple squamous epithelium

9. Simple cuboidal epithelium

11. Simple columnar epithelium

13. Pseudostratified columnar epithelium (ciliated)

14. Figure 40.2 Some representative types of connective tissue

15. Figure 40.2x Connective tissue

17. Hyaline cartilage

21. Bone—Haversian canals

22. Bone—Haversian canal

23. Figure 40.3 The basic structure of a neuron

24. Figure 40.4 Three kinds of vertebrate muscle

25. Figure 40.4x Three kinds of vertebrate muscle

27. Skeletal muscle

29. Skeletal muscle—cross section

31. Smooth muscle

33. Cardiac muscle

36. Figure 40.5x Stomach: Stomach wall showing the three tunics (left), gastric glands and pits (right)

37. Table 40.1 Organ Systems: Their Main Components and Functions in Mammals

38. Figure 40.6 Evolutionary convergence on fusiform shapes in fast swimmers

39. Figure 40.7 Contact with the environment

40. Figure 40.8 Internal exchange surfaces of complex animals

41. Figure 40.8 Lining of the small intestine

42. Figure 40.8 Lung

43. Figure 40.9a An example of negative feedback: Control of room temperature

44. Figure 40.9b An example of negative feedback: Control of body temperature (Layer 2)

45. Figure 40.10 Bioenergetics of an animal: an overview

46. Figure 40.11a Measuring metabolic rate

47. Figure 40.12 Maximum metabolic rates over different time spans

48. Figure 40.13a Annual energy budgets for four animals: Total annual energy expenditures

49. Figure 40.13b Annual energy budgets for four animals: Energy expenditure per unit mass