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.
TED Talks
Ted: Ted Ed: How Do Your Kidneys Work?
After drinking a few glasses of water on a hot day, you might be struck with a sudden urge. Behind that feeling are two bean-shaped organs that work as fine-tuned internal sensors. This video describes how the incredible kidneys balance...