Journey to the Sound of the Brain Flashcards

1
Q

trumpet makes ___ waves in the air

A

sound

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

what kind of mechanical wave is sound waves

A

longitudinal

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

part of the ear that catches sound waves

A

outer ear

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

after the outer ear has catched the waves, it travels through a narrow passageway called

A

ear canal

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

end of the ear canal there is an

A

eardrum

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

membrane roughly half size of a dime

A

ear drum

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

ear drum is roughly half the size of a ___

A

dime

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

sound waves make the eardrum ___

A

vibrate

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

the eardrum vibrates three tiny bones called

A

malleus
incus
stapes

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

bones that amplify, increase the sound vibrations

A

malleus
incus
stapes

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

shaped like a snail and the size of a garden pea

A

cochlea

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

shape of cochlea

A

snail

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

size of cochlea

A

garden pea

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

a spiral-shaped organ in the inner ear that is responsible for hearing

A

chochlea

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

cochlea is filled with ___ in which the sound vibrations makes this ripple

A

fluid

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

rippling of fluid creates ___

A

waves

17
Q

hair-like structures in the cochlea

A

stereocilia

18
Q

stereocilia sits on top of ___

A

hair cells

19
Q

stereocilia are grouped together as ___ inside the cochlea

A

hair cell bundles

20
Q

the hair bundle on top of the hair cell turn the movement of the waves into____

A

electrical signals

21
Q

as the hair bundles are moved, ___ rush into the top of the hair cells

A

ions

22
Q

as the hair bundles are moved, ions rush into the top of the hair cells causing the release of the chemicals into the ___ of the hair cells

A

bottom

23
Q

the chemicals then bind to the ___ nerve cells and create an electrical signal

A

auditory

24
Q

the chemicals then bind to the auditory nerve cells and create an electrical signal which travels along the ____ nerve

A

auditory nerve

25
Q

the chemicals then bind to the ___ nerve cells and create an electrical signal which travels along the auditory nerve to the ___

A

brain

26
Q

diffrent hair cells respond to different ___ of sound

A

frequencies

27
Q

the hair cells at the ___ of the cochlea detect higher pitched sounds

A

base

28
Q

the hair cells at the base of the cochlea detect higher pitched sounds such as a __ or __

A

piccolo
flute

29
Q

the hair cells at the ___ of the spiral of cochlea detect progressively lower pitched sounds

A

toward the top

30
Q

hair cells towars the top of the spiral detects what kind of instrument sound

A

trumpet
trombone

31
Q

top of the spiral of cochlea

A

apex

32
Q

at the apex of the cochlea, it detects the -____ pitch sound

A

lowest

33
Q

example of lowest pitch sound instrument

A

tuba

34
Q

interprets the messages as sounds that we recognize nad understand

A

brain

35
Q

a small, hammer-shaped bone in the middle ear that plays a key role in hearing

A

malleus

36
Q

s a small, anvil-shaped bone in the middle ear that transmits sound vibrations from the eardrum to the inner ear:

A

incus

37
Q

a small stirrup-shaped bone in the middle ear, transmitting vibrations from the incus to the inner ear.

A

stapes