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Science > The ear > Flashcards

The ear Flashcards

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Biology 101 flashcards
1
Q

What can you only hear?

A

You can only hear auditory range

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2
Q

What are frequencies below 20 Hz called?

A

Infasound

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2
Q

What are frequencies above 20,000 Hz called?

A

Ultrasound

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3
Q

What part of your ear can you see?

A

You can see the pinna

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4
Q

What does the pinna direct the sound wave to?

A

It directs to the auditory canal towards the ear drum

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5
Q

What makes out the outer ear?

A

Auditory canal, Eardrum and the pinna

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6
Q

The eardrum doesn’t vibrate

A

No that is wrong, your eardrum does vibrate.

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7
Q

What makes up the Middle ear?

A

Ossicles

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8
Q

What is the ossicles?

A

They are tiny bones that amplify sound

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9
Q

What do ossicles make when they vibrate?

A

The make the Oval window

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10
Q

Is the cochlea a liquid solid or gas?

A

It is a liquid

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11
Q

What does the cochlea contain?

A

it contains thousands of tiny hairs

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12
Q

What happens in the cochlea?

A

When the liquid moves, the hair moves

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13
Q

What do the base of the hairs convert?

A

They convert an electrical signal

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14
Q

What doe the electric signal travel to?

A

It travels down to the auditory nerve to your brain.

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15
Q

What makes up the inner ear

A

The cochlea and the semi-circle canals

16
Q

What so the semi-circle do?

A

They help you to balance

17
Q

How can you affect you hearing?

A

Anything that affects the transmittion of sound through your ear can affect your hearing

18
Q

How can you effect your outer outer ear?

A

Anything that blocks your auditory canal can affect your ear

19
Q

What happens if you pop your Middle ear?

A

If you pop your middle ear it will be fine because it can grow back but very loud sounds or head injuries can damage your eardrum or shatter the ossicles

20
Q

How can infections affect your ear?

A

Infections can affect the cochlea or the ability to send signals down to the auditory nerve.

21
Q

How can you reduce damaging your ear?

A

You can reduce the risk of damaging your ear by turning down the volume or using ear defenders.

Science (8 decks)

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