Ears And Hearing Flashcards
Outer ear
The sound waves are funnelled into ear by this
Ear canal
The sound waves travel along this
Eardrum
This part starts to vibrate
Ear bones
These small bones pass the vibrations to the cochlea
Cochlea
This spiral tube contains a liquid and sense cells
Auditory nerve
This nerve carries electrical signals to the brain
Sound waves traveling
Sound vibrations travel through the air
What energy takes place in the ear?
The ear changes sound energy to electrical energy
What happens as you get older when the small ear bones get joined together?
It causes loss of hearing
What is treatment for infection in the middle ear?
A course of antibiotics
Does wax in the ear cause permanent or temporary deafness?
Temporary deafness
Why does wax in the ear affect hearing?
It prevents the vibrations reaching the ear drum
What is a oscilloscope?
A machine that shows sound waves on the screen
What is a stethoscope?
An instrument for listening to sounds
What does a hearing aid do?
Helps people to hear?
