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10 Cards in this Set
- Front
- Back
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central nervous system
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brain and spinal cord
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peripheral nervous system
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the nerves that connect the central nervous system to the rest of the body
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receptors
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special cells that detect energy and convert it to electrical energy so it can be sent to the brain
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stimuli
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information in the environment that activates the nerves in a sense organ
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effectors
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muscles and glands that respond to electrical impulses
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nerve
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a group of neurons
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synapse
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a junction or gap between the axon of the sending neuron and the dendrite of the receiving neuron
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reflex arc
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a nerve pathway from a sensory neuron to the spinal cord to the effector that bypasses the brain. (Not though or conscious response is needed)
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Nervous System
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Communication systems made up of the central nervous system and the peripheral nervous system
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what targets the nervous system of insects and kills the insect?
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pyrethrums
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