☀️the Senses Flashcards

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1
Q

Retina

A

A light senditive layer that contains rods and cones

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2
Q

Sclera

A

Holds eye in shape

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3
Q

Optic nerve

A

Carries impulses from the brains

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4
Q

Lens

A

Changes shape to focus on the retina

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5
Q

Iris

A

Controls amount of light entering the eye

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6
Q

Pupil

A

Allows light in

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7
Q

Pinna

A

Made of cartilage and collects vibrations in the ear and channels them into the ear

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8
Q

Auditory canal

A

Carries vibrations to the eardrum

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9
Q

Name a hearing disorder

A

Glue ear

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10
Q

What is glue ear caused by

A

Too much fluid collecting in the middle of the ear

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11
Q

What does glue ear result in

A

Viral infection

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12
Q

Glue ear causes

A

Loss of hearing

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13
Q

Why does glue ear cause loss of hearing

A

It prevents the three bones in the middle ear from moving properly

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14
Q

Cure for glue ear

A

Devongestant drugs taken for mild cases

Grommets taken in severe cases

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