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24 Cards in this Set
- Front
- Back
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What type of Oregon is the ear |
A sense organ |
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The central nervous system contains |
The brain and spinal cord |
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The cerebrum |
Is the largest section of the brain |
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main part called the neuron is |
Cell body |
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Dendrites |
One or more branching projections |
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An axon is |
One elongated projection |
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Myelin |
A white fatty substance that wraps around some axons outside the central nervous system |
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What do you sensory neurons carry |
Impulses to the spinal cord and brain from all parts of the body |
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What do motor neurons carry |
Impulses in the opposite direction that go away from the brain and spinal cord |
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What do interneurons conduct |
Impulses from sensory neurons to motor neurons |
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Glia |
Meaning glue They are supporting cells |
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Blood brain barrier |
Separates the blood tissue and nervous tissue to protect vital brain tissue from harmful chemicals in the blood |
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A nerve is a group of what |
Peripheral nerve fibers |
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Fasickes |
Wrapped axons |
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Receptors |
Beginning's of sensory neurons |
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What is a ganglion |
A group of nurses nerve cell bodies located in the PNS |
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What is an effector |
In Oregon that puts nerve signals into affect |
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Neurotransmitters |
Chemicals by which neurons communicate |
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Cerebellum |
Second largest part of the human brain |
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Diencephalon |
Located between midbrain below in the cerebrum above |
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Hypothalamus |
Exerts major control over virtually all internal organs |
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Thamus |
Produce sensations, associate sensations with emotions, and plays a part in arousal |
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The penile gland |
Receives sensory information about strength of lights in my eyes |
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Dura matter |
Tough outer layer that lines vertebral canal |
