CK-12 Foundation
Ck 12: Urinary System
[Free Registration/Login may be required to access all resource tools.] In this interactive tutorial students will explain how the urinary system filters blood and excretes wastes.
CK-12 Foundation
Ck 12: Kidneys
[Free Registration/Login may be required to access all resource tools.] Why are your kidneys so important? Find out in this online tutorial. You will learn to describe the roles of the kidneys in homeostasis.
Curated OER
Kids Health: What Kids Need to Know About Kidneys
This is a kid friendly look at what the kidneys look like, where they are, and what they do. Shockwave is needed for viewing.