The Ear

Question 1

parts of the ear

Answer 1

pinna, tympanic mambrain, ossiclea (3 bones), dynamic equalibrium, auditory canal, vestibule (static equalibrium(, cochlea

Question 2

pinna

Answer 2

• outer part of external ear
• amplifies sound by funnelling it from a large area into the narrow auditory canal

Question 3

auditory canal

Answer 3

carries soundwaves to tympatic membrane

Question 4

tympatic membrane

Answer 4

recieves sound waves (eardrum)

Question 5

ossicles

Answer 5

• malleus, incus, stapes
  tiny bones that amplify and carry sound in the middle ear

Question 6

oval window

Answer 6

• recieves sound waves from the ossicles

Question 7

eustachian tube

Answer 7

air filled tube of the middle ear that equalizes pressure between the outer and middle ear

Question 8

cochlea

Answer 8

coild tube within the middle ear that recives soundwaves and converts them into nerve impulses

Question 9

organ of corti

Answer 9

vibration causes the fluid in the cochlea to move bending the little hairs (corti) sending a signal to the brain

Question 10

vestibule

Answer 10

chamber at the base of the semicircular canal
- concerned with static equalibrium; left, right, up, down

Question 11

semicircular canals

Answer 11

fluid filled structures the provide information for dynamic equalibrium; flips, rollercoasters, ect.