Cheer up! Here is a fascinating featurette about why people cry. Hank explains different types of tears, what causes them, their purposes, and even their particular chemical components. This would make a nice addition to your human body unit when covering the eye, or even to a psychology unit.
- This resource is only available on an unencrypted HTTP website. It should be fine for general use, but don’t use it to share any personally identifiable information
- A fast-talking narrator keeps viewers' attention
- A unique topic that makes a memorable enrichment to traditional life science or psychology curriculum