Lo6 Flashcards
What are the functions of the ear
Detect motion
Orientation
Maintaining balance
What is sound
Sound waves that can travels through solids liquid and gases
How can we hear sound
It’s sets up a vibration in our ear drums
What is the pinna
External part of the ear where sound is funnelled through
What is the ear canal
Tunnel where sound waves travel down to the ear drum causing it to vibrate
What is the ear drum
Vibrates at the same frequency as the sound waves
What are the three bones in the ear
Malleus - hammer
Incus
Stapes
What does the three bones in the middle ear do
Carry the sound vibrations to the inner ear
What is the oval window
22 time smaller than the eardrum
It magnifies the intensity of the vibration
What is the cochlea
Contains jelly like fluid contained in a coiled tube
Looks like a snail
Where is the organ of corti
In the cochlea/ perilymph(jelly like fluid)
What are the organ of corti
Hair like structures that line the membrane and converted sounds of electrical signal that can be transmitted through the auditory nerve
What is the round window
Another drum like membrane which allows vibrations from the oral window to pass through fluid
What is the function of the pupil
The hole in the eye that lets in light