A complete, self-paced lesson on homeostasis in the human body, focusing on kidney function. Students work their way through illustrated and animated tutorials, and answer review questions along the way. There is a self-checking quiz at...

[Free Registration/Login may be required to access all resource tools.] Discusses how the urinary system filters blood and excretes wastes.

[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.

[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.

Students learn about the external structure of the kidney, including its location, support structures, and covering, as well as the major internal divisions and structures of the kidney.

Students learn about the renal structures that conduct the essential work of the kidneys and cannot be seen by the naked eye.

An online biology textbook on the structure and function of the kidneys. Full of labeled, color diagrams for better understanding.

Answer these seven multiple choice questions about osmotic regulation in the Urinary system.

Answer these seven questions about osmotic regulation in the Urinary system. After hitting submit, review the concepts tested.

Use this tutorial to help supplement your learning about how the kidneys work.

A short, narrated animation about the basics of the human urinary system. [1:25]

Read this passage and study the graphics; then take the five-question quiz over measuring glomerular filtration rate of the kidneys with insulin.

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...

If you've ever wondered where urine comes from, this movie and activity guide has the answer! [5:14]

This is a kid friendly look at what the kidneys look like, where they are, and what they do. Shockwave is needed for viewing.

[Free Registration/Login may be required to access all resource tools.] Discusses how the urinary system filters blood and excretes wastes.

[Free Registration/Login may be required to access all resource tools.] Discusses how the urinary system filters blood and excretes wastes.

Understand the importance of the human kidneys.

Explains the parts and function of the kidneys and why they are important.