xv 7 The Nervous System. . . . . . . . . . . 205 Section 7.1 Anatomy of the Nervous System. . . . . . . . . . . . . . 206 Section 7.2 Impulse Transmission. . . . . . . . . . . . . . . . . . . . . . . . . . 211 Section 7.3 Central Nervous System. . . . . . . . . . . . . . . . . . . . . . . . 215 Section 7.4 Peripheral Nervous System. . . . . . . . . . . . . . . . . . . . . 224 Section 7.5 Development of the Nervous System. . . . . . . . . . . 231 Section 7.6 Nervous System Injuries and Disorders. . . . . . . . . 233 8 The Sensory Systems . . . . . . . . . . 244 Section 8.1 The Eye. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 245 Section 8.2 The Ear. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 254 Section 8.3 Smell and Taste . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 261 Section 8.4 Development of the Special Senses. . . . . . . . . . . . 266 9 The Endocrine System. . . . . . . . . . 273 Section 9.1 Anatomy and Physiology of the Endocrine System . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 274 Section 9.2 Endocrine Organs. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 282 Section 9.3 Development of the Endocrine System. . . . . . . . 298 Section 9.4 Disorders and Diseases of the Endocrine System . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 300 10 The Respiratory System. . . . . . . . . 311 Section 10.1 Anatomy of the Respiratory System. . . . . . . . . . . . 312 Section 10.2 Physiology of the Respiratory System . . . . . . . . . . 319 Section 10.3 Development of the Respiratory System. . . . . . 329 Section 10.4 Respiratory Disorders and Diseases. . . . . . . . . . . 332 11 The Blood. . . . . . . . . . . . . . . . . . 344 Section 11.1 Functions and Composition of Blood . . . . . . . . . 345 Section 11.2 Blood Types. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 357 Section 11.3 Development of the Blood. . . . . . . . . . . . . . . . . . . . 361 Section 11.4 Blood Disorders and Diseases. . . . . . . . . . . . . . . . . 363 12 The Cardiovascular System. . . . . . 374 Section 12.1 Functional Anatomy of the Heart. . . . . . . . . . . . . . 375 Section 12.2 Regulation of the Heart . . . . . . . . . . . . . . . . . . . . . . . 383 Section 12.3 Blood Vessels and Circulation. . . . . . . . . . . . . . . . . 388 Section 12.4 Development of the Cardiovascular System. . . 398 Section 12.5 Cardiovascular Wellness and Disease . . . . . . . . . 400