N.system Word Scramble
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Question | Answer |
Nervous System | a complex, highly organized system that coordinates all the activities of the body |
Neuron | the basic structural unit of the nervous system or nerve cell |
Dendrites | nerve fibers (carries impulses towards the cell body) |
Axon | a single nerve fiber (carries impulses away from the cell body) |
Myelin Sheath | a lipid fat covering of an axon, increases the rate of impulse transmission and insulates and maintains the axon |
Synapse | spaces between the axon and the dendrites |
Neurotransmitters | located at the end of each axon allow the nerve impulses to pass from one neuron to another |
Nerves | a combination of many nerve fibers located outside the brain and spinal cord |
Afferent | sensory, nerves carry messages from all parts of the body to the brain and spinal cord |
Efferent | motor, nerves carry messages from the brain and spinal cord to the muscles and glands |
Associative or Internunical | carry both sensory and motor messages |
Central Nervous System | consists of the brain and spinal cord |
Peripheral Nervous System | consists of the nerves |
Autonomic Nervous System | division of the peripheral nervous system contols involuntary functions |
Created by:
kberwald
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