The Human Ear

Question 1

Whats the stimulus?

Answer 1

Sound waves.

Question 2

Whats the receiver?

Answer 2

Ear.

Question 3

Whats the transformer?

Answer 3

The cochlea.

Question 4

Whats the conductor?

Answer 4

Auditory nerve.

Question 5

Whats the analyzer?

Answer 5

Brain.

Question 6

Whats the auricle and what does it do?

Answer 6

The outside part that we see and it captures the sound and directs it to the ear drum.

Question 7

What is the auditory canal and what do the glands produce?

Answer 7

The tube in your ear leading to the ear drum and it secretes cereumen, (ear wax).

Question 8

The auditory canal is lined with what to trap impurities?

Answer 8

Hairs.

Question 9

What does the auditory canal do?

Answer 9

It funnels sound into the inner ear.

Question 10

What is an ear drum and what does it do?

Answer 10

It’s a thin membrane that vibrates the ossicles.

Question 11

Ear drums are very sensitive to what?

Answer 11

Pressure change.

Question 12

At rest, the ear drum is _______.

Answer 12

Straight.

Question 13

What are ossicles?

Answer 13

The 3 little bones/the smallest bones in the body.

Question 14

Name the 3 ossicles.

Answer 14

1-Hammer
2-Anvil
3-Stirrup

Question 15

How do the ossicles work together?

Answer 15

They vibrate together and make a domino effect to amplify the sound.

Question 16

What is the cochlea?

Answer 16

It’s a tube that coils around itself and that is specialized with hair cells.

Question 17

What does the cochlea DO?

Answer 17

It turns it into nerve impulses/electricity.

Question 18

What helps you maintain your balance?

Answer 18

Semi-circular canals,(there are 3).

Question 19

Where is the auditory nerve connected to? (Name 2 things).

Answer 19

To the cochlea and the semi-circular canals.

Question 20

What does the auditory nerve do?

Answer 20

It sends the nerve impulses to the brain.

Question 21

What can damage the ear? (Name 2 things).

Answer 21

Loud noises and objects that were inserted into the ear.

Question 22

What does the cochlea contain?

Answer 22

Nerve endings essential for hearing.

Question 23

What does the eustachian tube do?

Answer 23

It equalizes pressure on either side of the ear drum.