Figure 40.0 Hawk moth

Figure 40.1 The structure and function of epithelial tissues

Figure 40.1x Epithelial tissues

Figure 40.2 Some representative types of connective tissue

Figure 40.2x Connective tissue

Figure 40.3 The basic structure of a neuron

Figure 40.4 Three kinds of vertebrate muscle

Figure 40.4x Three kinds of vertebrate muscle

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

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

Figure 40.6 Evolutionary convergence on fusiform shapes in fast swimmers

Figure 40.7 Contact with the environment

Figure 40.8 Internal exchange surfaces of complex animals

Figure 40.8 Lining of the small intestine

Figure 40.8 Lung

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

Figure 40.9b An example of negative feedback: Control of body temperature (Layer 1)

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

Figure 40.10 Bioenergetics of an animal: an overview

Figure 40.11a Measuring metabolic rate

Figure 40.12 Maximum metabolic rates over different time spans

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

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