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13 Cards in this Set
- Front
- Back
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Axon |
The tubelike part of a neuron that carries messages away from the cell body toward other neurons |
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Neurotransmitters |
Chemical messengers that transport neural impulses from one nerve cell to another |
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Synapse |
The small fluid filled gap between neurons through which neurotransmitters carry neural impulses |
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Neurons |
Nerve cells |
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Central nervous system |
The part of the nervous system that consists of the brain and spinal cord |
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Peripheral nervous system |
The part of the nervous system that connects the central nervous system to other parts of the body |
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The somatic nervous system |
Carry sensory information from sensory organs to the central nervous system and relays motor (movement )commands to muscles ;controls voluntary movement |
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The autonomic nervous system |
Regulates involuntary bodily processes, including heart rate respiration, digestion, and people contraction, operates. Automatically without conscious direction |
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Parasympathetic nervous system |
Replenishes body resources by promoting digestion and slowing down other bodily processes |
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Sympathetic nervous system |
Mobilizes Body resources in response to threats by speeding up heart rate and respiration and drawing stored energy from bodily reserves |
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Hindbrain |
The lowest and, in evolutionary terms, oldest part of the brain; includes the medulla pons and cerebellum |
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Cerebellum |
A structure in the hindbrain involved in controlling coordination and balance |
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Midbrain |
Part of the brain that lies on the top of the human brain and below the forebrain |
