The Sensory Flashcards

1
Q

What a response

A

An action to a stimulus

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2
Q

What are the sense organs

A
Eye sight
Ear hearing 
Nose smell
Tongue taste 
Skin touch
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3
Q

How do our sense organs work

A

Nerves carry message from the sense organs to the Brain. Messages travel a long electrical impulses
Brain makes sense of message received,memorises it and decides upon a Correct response
The brain sends a message along different nerves to a muscle

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4
Q

What are sensory nerves

A

Nerves that carry messages to the brain

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5
Q

What a re motor nerves

A

Nerves that carry messages from the brain

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6
Q

Where is the central nerves system (cns)

A

The brain and spinal cord

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7
Q

What is in the brain ,

A

Many million nerve cells (neutrons)

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8
Q

What is in the spinal cord

A

Contains many nerves which take messages to and from the brain

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9
Q

Function of cornea

A

Allows light to pass into eye

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10
Q

Iris function

A

Controls the amount of light that enters the eye (acts like a shutter)

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11
Q

Lens

A

Focuses light on the retina

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12
Q

Pupil

A

Opening through which light enters the back of the eye

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13
Q

Retina

A

Absorbs light and produces nerve impulses

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14
Q

Optic nerve

A

Carries messages from the brain to the eye

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15
Q

Ciliary muscle

A

Change the shape of the lenses when we look at near or far objects

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16
Q

What is stimulus

A

Anything in our surroundings that causes us to take an action