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6 Cards in this Set

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