Senses and the nervous system Flashcards

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1
Q

Stimulus

A

Something that causes a response e.g. A loud noise stimulates me to jump

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2
Q

Sensitivity

A

Detecting and responding to a stimulus

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3
Q

Nervous system

A

Brain , spinal cord , all the nerves

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4
Q

Sensory nerve

A

Sends a message to the brain from the sense organ

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5
Q

Motor nerve

A

Sends a message from the brain to a muscle

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6
Q

Messages

A

Are sent along nerves as pulses of electricity

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7
Q

The eye contains

A

The cornea , iris , lens , pupil , retina , optic nerve and ciliary muscle

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