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Science Test 1 > Mrs Hayes- Biology 1 > Flashcards

Mrs Hayes- Biology 1 Flashcards

1
Q

What are the two parts of the nervous system?

A

The central nervous system

Nerves

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2
Q

The nervous system-

A

Sensory receplors- sensory nerve- Brain and spinal cord- motor neurone- Effectors

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3
Q

Nervous impulses travel from the ……… ……. to the central nervous system along a ………. neurone.

A

Sensory receplors

Sensory

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4
Q

Impulses travel from the CNS to an effector along a …… neurone. The effector may be a …… or …..

A

Motor
Muscle
Gland

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5
Q

Eye simulation-

A

Light

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6
Q

Ear stimulation-

A

Sound vibrations, postion of head

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7
Q

Mouth stimulation-

A

Checimals

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8
Q

Skin stimulation-

A

Temperture, pain and texture

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9
Q

Noes stimulation-

A

Checimals

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10
Q

To be able to label a eye

A

…..

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11
Q

Retina-

A

Contains light senstive cells

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12
Q

Lens-

A

Focuses light onto the retina

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13
Q

Sclera-

A

Protective outer layer of the eye

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14
Q

Cornea-

A

Refracts the light rays

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15
Q

Optic nerve-

A

Carries impilses to the brain

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16
Q

Fovea-

A

Contains a high concertaration of light through sensitive cells

17
Q

Pupil-

A

Hole through which light enters the light

18
Q

Iris-

A

Contains muscle which changes the size of the pupil

19
Q

Draw a diagram of how the light forms an image…

A

…

20
Q

Bright light is…

A

Small pupil

21
Q

Dim lights-

A

Large pupil

22
Q

Bright light, radical and circular…

A

Radical relax

Circular contract

23
Q

Dim light- radical, circular

A

Radical contract

Circular relax

24
Q

Blight spot is…

A

Where the optic nerve leaves the eye. No light senstive cells there. If light is there you wont see it.

25
Q

Impulses are carried from the retina to the …….

A

Brain

Science Test 1 (2 decks)

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