Check out the Yuckiest Site on the Internet: http://yucky.discovery.com/flash/
Try these questions.
- What is the gunk in my eye?
- How much gas do I have?
- What is mouth rot? (hint: look up bad breathe)
- What is dandruff?
- How many hairs fall out of your head on average each day?
- What is spit good for?
- How much skin does a person shed in a lifetime?
- How many hearts does a worm have?