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SHHS - Science - AQA Biology Trilogy > 4.5 Nervous system: TRIPLE The brain and the eye > Flashcards

4.5 Nervous system: TRIPLE The brain and the eye Flashcards

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1
Q

The largest part of the brain is called the…

A

Cerebrum

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2
Q

The outer part of the cerebrum is called the…

A

Cerebral Cortex

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3
Q

The cerebellum co-ordinates..

A

..muscle movement

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4
Q

The medulla oblongata controls…

A

..unconscious activities (eg heart rate, breathing rate)

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5
Q

The function of the temporal lobe is…

A

..to provide visual memories and process language

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6
Q

Broca (1824-1880) is best known for his work on which part of the brain?

A

Frontal Lobe

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7
Q

Which part of the eye contains the light sensitive receptors?

A

Retina

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8
Q

Name the receptor cells that can detect low levels of light

A

Rods

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9
Q

Name the receptor cells that allow colour vision

A

Cones

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10
Q

Name the receptor cells that allow clear daytime vision

A

Cones

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11
Q

At night, colour vision is less vivid because which receptor is not stimulated?

A

Cones

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12
Q

Name the tough outer skin of the eye

A

Sclera

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13
Q

Name the curved front part of the eye ball that refracts light through the pupil

A

Cornea

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14
Q

What is ‘accommodation’

A

The lens changing shape to focus on near or far objects

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15
Q

Focussing on far objects:

Your ciliary muscles (contract/relax)?

A

RELAX!

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16
Q

Focussing on far objects:

Your lens is (long and thin/short and fat)

A

Longer and thinner

17
Q

Focussing on near objects:

Your ciliary muscles (contract/relax)?

A

CONTRACT!

18
Q

Focussing on near objects:

Your lens is (long and thin/short and fat)

A

Shorter and fatter

19
Q

Long sightedness is otherwise known as..

A

..HYPEROPIA

20
Q

Short sightedness is otherwise known as,,

A

..MYOPIA

21
Q

If you are long sighted, what can you not see very well

A

Objects that are close to you

22
Q

If you are short sighted, what can you not see very well

A

Objects that are far from you

23
Q

What is the function of the optic nerve

A

Transmits electrical impulses from the eyes to the brain

24
Q

Name the layer of the eye that provides oxygen and nourishment to the retina cells

A

Choroid

25
Q

Which part of the eye controls the size of the pupil

A

Iris

26
Q

Which part of the retina provides the sharpest vision (has the highest number of cones) when light hits it

A

Fovea

27
Q

This structure is made of muscle so contracts and relaxes to change the shape of the lens

A

Ciliary Body

28
Q

Correctives spectacles or lens treat long and short sightedness by doing what?

A

Refracting light before it enters our eyes

29
Q

Name a permanent solution to treating long or short sightedness

A

Laser surgery (to change the shape of the cornea)

SHHS - Science - AQA Biology Trilogy (37 decks)

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