The Nervous Syste5

The Nervous Syste5 - The Nervous System & Nervous...

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Nervous System Function: - Sensory Input central nervous system - Integration appropriate responses - Motor Output : motor neurons carry information about decision to effectors (muscle cells, glands) to generate response Organization of the Nervous System Central Nervous System (CNS): Peripheral Nervous System (PNS): nerves that extend from the CNS (outside the CNS) - Sensory (afferent) division: nerves that convey impulses to the CNS from sensory receptors o sensory neurons link body parts to CNS o somatic afferent fibers: o visceral afferent fibers: convey impulses from visceral organs (organs of ventral body cavity) - Motor (efferent) division: transmits impulses from the CNS to effector organs o motor neurons
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The Nervous Syste5 - The Nervous System & Nervous...

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