Sensory - Ear

Question 1

What is the function of the eardrum?

Answer 1

Thin layer of tissue that receives sound vibrations and transmits them to ossicles

Question 2

What is the function of the stapes?

Answer 2

Tiny bone that amplifies sound waves and transmits vibrations across inner ear

Question 3

What is the function of the incus?

Answer 3

Tiny bone that amplifies sound waves and transmits vibrations across inner ear

Question 4

What is the function of the malleus?

Answer 4

Tiny bone that amplifies sound waves and transmits vibrations across inner ear

Question 5

What is the function of the cochlea?

Answer 5

Contains jelly like fluid that carries vibrations - converted to neural messages

Question 6

What is the function of the organ of corti?

Answer 6

Cochela lined with rows of hair cells - convert the sound vibrations to nerve impulses

Question 7

What is the function of the eustachian tube?

Answer 7

Equalises pressure in ear

Question 8

What is the function of the round window?

Answer 8

A drum-like membrane - vibrations from tiny bones pass through to cochlea

Question 9

What is the function of the auditory nerve?

Answer 9

Bundle of nerve fibres that carry hearing info to brain

Question 10

What is the function of the semi-circular canals?

Answer 10

Act as motion sensor helping balance - contain fluids

Question 11

What is the function of the ampullae?

Answer 11

Small hairs that bend when moved and send message to brain for balance