Cochlear implants—medical devices that electrically stimulate the auditory nerve—have granted at least limited hearing to hundreds of thousands of people worldwide who otherwise would be totally deaf.
The human ear is made up of much more just than the cartilage you see. Keep your HEARING healthy by being aware of what you put in your ears, including headphones.
Ear Diagrams For Kids Ear Diagrams For Kids
Use this simple eye diagram for primary students as they learn about the human…