Term
| what is the function of the nervous system? |
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Definition
| it controls and coordinates functions throughout the body and responds to internal and external stimuli |
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Term
| what are the three types of neurons? |
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Definition
| sensory, motor, interneuron |
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Term
| what is the function of the myelin sheth? |
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Definition
| insulating membrane and speeds up nerve impulses |
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Term
| what is the deterioration of the myelin sheath called? |
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Definition
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Term
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Definition
| the minimum level of a stimulus that is required to activate a neuron |
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Term
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Definition
| location at which a neuron can transfer an impulse to another cell |
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Term
| chemicals used by a neuron to transmit an impulse acrossed synapse to another cell |
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Definition
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Term
| what is the function of the nervous system? |
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Definition
| relays messages, processes information, and analyzes information |
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Term
| what does the central nervous system consist of? |
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Definition
| the brain and the spinal cord |
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Term
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Definition
| controls voluntary activities of the body |
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Term
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Definition
| coordinates and balances the actions of the muscles |
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Term
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Definition
| regulates the flow of information between the brain and the rest of the body |
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Term
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Definition
| receives and relays messages from the sense organs |
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Term
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Definition
| controls hunger, thrist, fatigue, anger, and body temperature |
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Term
| what are the four lobes of the brain? |
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Definition
| frontal, temporal, parietal, occipital |
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Term
| what is the outer layer of the cerebrum called? |
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Definition
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Term
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Definition
| densly packed nerve cell bodies |
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Term
| where is gray matter found? |
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Definition
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Term
| what are the two regions of the brain stem? |
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Definition
| pons and medulla oblongata |
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Term
| what are the two sections of the peripheral nervous system? |
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Definition
| sensory division and the motor division |
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Term
| the motor division is made up of what two things? |
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Definition
| somatic nervous system and the autonomic nervous system |
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Term
| does the somatic nerous system control the beating of the heart |
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Definition
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Term
| does the somatic nerous system control the lifting of a finger? |
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Definition
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Term
| does the somatic nerous system control the wiggling of the toes? |
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Definition
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Term
| does the somatic nerous system control the pulling of the foot away from a tack? |
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Definition
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