TED Talks
Ted: Ted Ed: Is It Bad to Hold Your Pee?
Humans should urinate at least four to six times a day, but occasionally, the pressures of modern life force us to clench and hold it in. How bad is this habit, and how long can our bodies withstand it? Heba Shaheed takes us inside the...
Curated OER
Kids Health: Kidneys and Urinary Tract
The urinary system and how it functions are explained. An interactive diagram shows the different parts, and summarizes what each does. Disorders of the kidneys and the urinary tract are also described.
CK-12 Foundation
Ck 12: Life Science: Kidneys
[Free Registration/Login may be required to access all resource tools.] The kidneys are important organs in maintaining homeostasis, the ability of the body to maintain a stable internal environment despite a changing environment....
CK-12 Foundation
Ck 12: Life Science: 11.37 Urinary System
Learn about the structure and function of the urinary system.