Test knowledge of the nose and how it works.

Test knowledge and understanding of how the brain and the nervous system function.

Does chocolate cause acne? Will washing your face more prevent acne? Find out what a physician has to say about the myths and realities of acne. Learn how to prevent and treat acne. This site also features an acne quiz and a link to...

Need to know what antihistamine means or an allergen is? This medical dictionary contains easy to understand defintion for medical terms. Dictionary gives pronunciation as well as Spanish translation.

Ouch! Shots hurt! Test knowledge of how shots keep us from getting sick.

A brief quiz about the respiratory system and how the lungs work.

Take this quiz to check knowledge of skin.

A short quiz testing knowledge of the bones in the human body.

Take a quiz about teeth.

A quiz about how the tongue works.

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

Check knowledge on the urinary system with this quiz.

Terrorism is all over the world. How do children deal with hearing and seeing these terrible events? Here is a site that children can read that may help them deal with their feelings.

A video [5 mins. 9 secs.], brief quiz, engaging activity, and more helping students understand how the digestive system handles the foods we put into our mouths.

Learn about the nose and its function in the olfactory system of the human body. For auditory learners, a read-aloud feature is also available.

Learn the importance of practicing good dental hygiene. For auditory learners, a read-aloud feature is also available.

How do you hear? Watch this ear video and take the accompanying quiz to step inside the ear. [6:08]

Your eyes see, but how does vision happen? Find out how the eyes and brain work together through this video and accompanying activity guide. [6:09]

Hair grows almost everywhere on your body. In this hair video and activity guide, you'll go under the skin to find out where hair begins. [5:11]

It sniffs and smells, but how does it work? Find out more in this nose video and activity guide. [4:22]

Your nails aren't just there to look pretty. Watch this video and participate in the accompanying activity guide to find out how nails grow and why you shouldn't bite them! [4:38]

If you've ever wondered how your muscles work, this movie and activity guide has the answer! [6:49]

If you've ever wondered how your immune system works, this movie and activity guide is for you! [7:26]

If you've ever wondered how your heart works, this movie and activity guide has the answer. [6:15]