13: The Urinary System Last updated Save as PDF Page ID 84780 Lumen Learning Lumen Learning 13.1: Introduction 13.2: Physical Characteristics of Urine 13.3: Gross Anatomy of Urine Transport 13.4: Gross Anatomy of the Kidney 13.5: Microscopic Anatomy of the Kidney 13.6: Age Related Changes to the Urinary System 13.7: Age Related Dysfunctions of the Urinary System 13.8: Glossary- The Urinary System