Reverse fly with dumbbell for upper back

Hearing and the Cochlea

This animation shows the various structures of the ear and the process of hearing.

• Hearing

Start at the Store: Prevent Foodborne Illness

By starting at the store with safe food handling practice, consumers can play a major role in preventing foodborne illness. In this new Consumer Update video, the U.S. Food and Drug Administration (FDA) provides tips for keeping food safe while guiding viewers through a grocery store.

Arrhythmias

This animation shows the cardiac conduction system and the arrhythmias of a fast and slow beating heart.

• Heart Disease

Heartburn and hiatal hernia

Watch this video to learn about heartburn and hiatal hernia.

Triceps extension with weight machine

The triceps extension with weight machine targets the back of the upper arm. See how it's done.