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6 Cards in this Set
- Front
- Back
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Central Nervous System
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Consists of brain and spinal cord which occupy the dorsal body cavity. The CNS is the integrating and command center of the nervous system.
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Peripheral Nervous System
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The part of the nervous system outside the CNS. It consists mainly of the nerves that extend from the brain to the spinal cord.
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Sensory or Afferent Divison
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Consist of nerve fibers that convey impulses to the CNS from sensory receptors located throughout the body.
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Motor or Efferent Divsion
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Transmits impulses from the CNS to effector organs, the muscles and glands. These impulses activate muscles to contract and glands to secrete.
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Somatic Nervous System
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Is composed of somatic motor nerve fibers that conduct impulses from the CNS to skeletal muscles. AKA Voluntary Nervous System
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Autonomic Nervous System
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Consists of visceral motor nerve fibers that regulate the activity of smooth muscles, cardiac muscles and glands. AKA Involuntary Nervous System
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