A1 - ear + smell

Question 1

outer ear

Answer 1

collects + funnels sound

Question 2

middle ear

Answer 2

amplifies sound waves

Question 3

inner ear

Answer 3

creates nerve impulses (fluid filled)

Question 4

pinna

Answer 4

outer portion, funnels sound in auditory canal

Question 5

auditory canal

Answer 5

collects sound waves & channels towards ear drum

Question 6

tympanic membrane (ear drum)

Answer 6

conducts sound to 3 tiny bones (ossicles)

Question 7

eustachian tube

Answer 7

used to equalize both sides of ear drum

Question 8

vestubular nerve

Answer 8

carries info about balance

Question 9

cochlear nerve

Answer 9

caries info about hearing

Question 10

ossicles

Answer 10

transmits sound through middle ear, 3rd tiny bone transmits vibrations to fluid filled cochlea

Question 11

cochlea

Answer 11

3 canals with vibrating fluid + hair cells, sound causes it to send impulse to brain

Question 12

auditory nerve

Answer 12

collects sound waves & channels ear drum

Question 13

semi-circular canal

Answer 13

body movement + fluid movement = bending of cilia = initiates nerve impulse

Question 14

smell

Answer 14

controlled by olfactory cells, 5 cilia for receptor proteins for odour molecules

Question 15

diabetes mellitis

Answer 15

melitus 1 - no production insulin
melitus 2 - doesn’t process insulin

Question 16

diabetes insipidus