Chapter 8 - The Breath of Life 8.1 The Task of Respiration 8.2 The Mammalian Respiratory System 8.3 The Mechanics of Breathing 8.4 Control and Regulation 8.5 Gas Exchange in Plants Chapter 9 - Transport and Circulation 9.1 The Task of Transportation 9.2 The Mammalian Circulatory System 9.3 The Mammalian Heart 9.4 Transport Systems and Homeostasis 9.5 Transport in Plants Chapter 10 - Nutrients, Digestion, and Nutrition 10.1 Obtaining and Processing Food 10.2 The Human Digestive Tract 10.3 The Chemical Digestion of Food 10.4 Nutrition, Fitness, Lifestyle, and Health Categories: Add category Cancel Save