Unit 6- Hearing Vocab

Question 1

Auricle

Answer 1

• The visible outer ear
• acts a funnel for sound waves into the ear canal

Question 2

external auditory meatus

Answer 2

• the ear canal
• pathway that gets soundwaves to the eardrum

Question 3

Tympanic Membrane

Answer 3

• eardrum
• protects middle ear and vibrates to send sound through

Question 4

Tensor Tympani

Answer 4

Prevents sounds that are too loud from passing through by holding malleus still

Question 5

3 bones of middle ear

Answer 5

• mallues, incus, stapes
• focus and amplify waves onto the oval opening of the cochlea

Question 6

eustachain tube

Answer 6

• connects middle ear to back of throat
• helps keep pressure stable
• allows stuff to drain out of ear

Question 7

cochlea

Answer 7

• bony filled structure of inner ear
• holds fluid and hair cell receptors that make neural impulses from sound waves

Question 8

semicircular canals

Answer 8

• structure in inner ear
• senses movement of head for balancing

Question 9

anterior canal

Answer 9

senses forward and backwards head movement

Question 10

lateral canal

Answer 10

senses left and right head movement

Question 11

posterior canal

Answer 11

senses tilted head movement