Senses And The Nervous System Flashcards

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0
Q

Stimulus

A

A stimulus is something that causes a response

e.g. Running away from a dog

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1
Q

Sensitivity

A

Detecting and responding to a stimulus

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2
Q

Nervous system

A

Brain spinal cord, all the nerves

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3
Q

Sensory nerve

A

Sends a message from the brain to a muscle

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4
Q

Motor nerve

A

sends a message from the brain to a muscle

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5
Q

Lens

A

Focuses the light onto the retina

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6
Q

Nervous system

A

Brain, spinal cord, all the nerves

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7
Q

Sensory nerve

A

Sends a message to the brain from the sense organ

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8
Q

Motor nerve

A

Sends a message from the brain to a muscle

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9
Q

Messages

A

Are sent along nerves as pulses of electricity

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10
Q

The eye contains

A

The cornea iris lens pupil retina optic nerve and ciliary muscle

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