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Yr 11 Health > 14. The eye > Flashcards

14. The eye Flashcards

1
Q

Describe the structure of the iris?

A

Circular coloured part of eye

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2
Q

What is B?

A

Lens

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3
Q

What is the circular coloured part of eye

A

The iris

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4
Q

What has the function to protect the eye and to help focus light on the retina at the back of the eye?

A

Cornea

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5
Q

What is the structure of the lens

A

Transparent gel like capsule that sits behind the pupil and iris

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6
Q

What is the structure of the retina?

A

a light-sensitive inner lining at the back of the eye.

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7
Q

What are nerve fibers bundles together from back of the eye to brain

A

optic nerve

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8
Q

What is the function of the optic nerve

A

To relay messages from your eyes to your brain to create visual images

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9
Q

What is the clear, curved superficial layer protective covering for the front of the eye?

A

Cornea

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10
Q

What is the structure of the pupil?

A

A hole for light to pass through to lens

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11
Q

What is the function of the lens?

A

To focus light onto the retina by changing shape

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12
Q

What is the coloured part of the eye called?

A

Iris

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13
Q

What is a hole for light to pass through to lens?

A

The pupil

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14
Q

What is C?

A

Cornea

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15
Q

What part of the eye focuses light onto the retina by changing shape

A

The lens

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16
Q

What is G?

A

Optic nerve

17
Q

What is the transparent gel like capsule that sits behind the pupil and iris

A

Lens

18
Q

What is the function of the cornea?

A

to protect the eye and to help focus light on the retina at the back of the eye

19
Q

What part of the eye detects light (photoreceptors) and turn it into electrical impulses

A

Retina

20
Q

What is the function of the iris?

A

To regulate the amount if light entering the eye

21
Q

What is a light-sensitive inner lining at the back of the eye.

A

Retina

22
Q

What is the structure of the optic nerve

A

Nerve fibers bundles together from back of the eye to brain

23
Q

Describe the structure of the cornea

A

Clear, curved superficial layer
protective covering for the front of the eye

24
Q

What is the function of the retina?

A

to detect light (photoreceptors) and turn it into electrical impulses

25
Q

What is the structure of the pupil?

A

Hole for light to pass through to lens

26
Q

What is D?

A

Pupil

27
Q

What is E?

A

Iris

28
Q

What relays messages from your eyes to your brain to create visual images

A

Optic nerve

29
Q

What is the function of the pupil?

A

Adjusts it’s size to regulate the amount of light passing into the eye

30
Q

What part of the eye adjusts it’s size to regulate the amount of light passing into the eye?

A

The pupil

31
Q

What is H?

A

Retina

Yr 11 Health (29 decks)

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