recently added: brain and central nervous system videos
The Five Senses: Hearing
Recommend
In humans, the outer ear directs sound waves into the ear canal. When these waves strike the eardrum, the eardrum vibrates.
Related Article: Learn more about the brain and the central nervous system.
- Company Info |
- Advertise With Us |
- Newsletter |
- Careers |
- Privacy |
- Contact Us |
- Help |
- Visitor Agreement |
- RSS |
- HSW Tools
- HowStuffWorks |
- HSW Brazil |
- HSW China
© 1998-2009 HowStuffWorks, Inc.
- Discovery Communications, LLC |
- Discovery Channel |
- TLC |
- Animal Planet |
- Discovery Health |
- Science Channel |
- Planet Green |
- Discovery Kids
- Petfinder |
- TreeHugger |
- Military Channel |
- Investigation Discovery |
- HD Theater |
- FitTV |
- Turbo |
- Discovery Education
- ATTENTION! We recently updated our privacy policy. The changes are effective as of Thursday, October 30, 2008.
- To see the new policy, click [here]. Questions? See the policy for the contact information.