Anatomy of Ears

What is the function of the malleus, incus, and stapes in the ear?

• Create electrical signals

• Release chemicals

• Detect different frequencies of sound

• Amplify sound vibrations

Where are the hair cells located that detect higher pitched sounds?

• At the top of the spiral

• At the base of the cochlea

• In the middle of the cochlea

• At the very top of the spiral

What is the shape of the cochlea?

• Straight

• Circular

• Spiral

• Snail

What do the hair cells inside the cochlea ride?

• Electrical signals

• Fluid ripples

• Sound waves

• Chemicals

What do the hair bundles on top of the hair cells turn into?

• Sound vibrations

• Electrical signals

• Chemicals

• Fluid ripples

What do the chemicals released at the bottom of the hair cells bind to?

• Auditory nerve cells

• Brain cells

• Sound waves

• Fluid ripples

Which part of the ear catches the sound waves?

• Ear canal

• Middle ear

• Outer ear

• Inner ear

What carries the electrical signal to the brain?

• Hair cells

• Auditory nerve

• Cochlea

• Eardrum