Ch. 7 Nervous System
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| stimulus | a change or signal in the environment that makes you react
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| response | your body's reaction to a stimulus
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| nerve impulse | the message a neuron carries
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| neuron | nerve cell
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| axon | the part of the neuron that carries the impulse away from the cell body
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| nerve | a bundle of nerve fibers
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| dendrite | picks up the nerve impulse and sends it to the cell body
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| sensory neuron | a neuron that picks up a stimulus
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| interneuron | a neuron that carries and impulse to another neuron
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| motor neuron | a neuron that sends an impulse to a muscle or gland
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| synapse | the place where a neuron transfers and impulse to ANOTHER neuron
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| Central Nervous System | the brain and spinal cord
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| Peripheral Nervous System | the nerves in your body are part of this
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| Brain | the control center of your body
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| Spinal Cord | a column of nerve tissue that links the brain to the peripheral nervous system
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| Cerebrum | the part of your brain in charge of memory
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| Cerebellum | the part of your brain in charge of balance
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| Brain Stem (Medulla) | the part of your brain in charge of involuntary actions like breathing and heart beat
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| Somatic Nervous System | controls voluntary actions
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| Autonomic Nervous System | controls involuntary actions
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| Reflex | an automatic response
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| Concussion | a brain injury
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| Pupil | the opening where light enters the eye
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| Retina | lines the back of the eye
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| Lens | focuses light in the eye
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| Iris | the colored part of the eye
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| Optic Nerve | allows the eye to send messages to the brain
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| Hammer, Anvil, Stirrup | bones in the ear
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| Taste Buds | sensory receptors on your tongue
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Created by:
7thScience
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