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Questions and Answers
Consists of brain and spinal cord?
Consists all nervous tissues outside the CNS (nerves, ganglia, and sensory receptors)? Consist of nervous tissue outside the CNS? A messenger and delivers CNS decisions?
Cranial nerves have 21 pairs.
False
Spinal nerves have 13 pairs.
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What are the 2 major control system?
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Carries information to the CNS.
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Carries information to the body from the CNS
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Processes information in the CNS
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Many dendrites, 1 axon
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1 dendrite, 1 axon
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Study Notes
Central Nervous System (CNS)
- Consists of the brain and spinal cord
Peripheral Nervous System (PNS)
- Consists of all nervous tissues outside the CNS, including nerves, ganglia, and sensory receptors
- Consists of nervous tissue outside the CNS
- Acts as a messenger, delivering CNS decisions to the rest of the body
Nerve Pairs
- Cranial nerves have 21 pairs
- Spinal nerves have 13 pairs
Control Systems
- Two major control systems: sensory and motor
Nerve Function
- Carries information to the CNS (sensory function)
- Carries information to the body from the CNS (motor function)
- Processes information within the CNS (integration function)
Neuron Structure
- Typical neuron structure: many dendrites, 1 axon
- Another type of neuron structure: 1 dendrite, 1 axon
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