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Spinal cord worksheet Matching Exercises Spinal Cord and Spinal Nerves Match only within each group, write in the correct answer. Group A: Tract Neuron Nerve Impulse Dendrite Root Plexus Synapse Axon 1.An electrical charge that spreads along the membrane of a nerve cell _____________________ 2.A nerve cell fiber that carries impulses away from the cell body________________________ 3.The scientific name for a nerve cell _________________ 4.A network formed by the larger anterior branches of a spinal nerve ___________________ 5.A branch of a spinal nerve that attaches to the spinal cord __________________ 6.The point at which impulses are transmitted from one nerve cell to another _________________ 7.The part of a neuron that receives a stimulus_____________________ 8.A bundle of neuron fibers within the CNS___________________ Group B Action Potential Neurilemma Parasympathetic System Reflex Arc Ganglion Sensory Sympathetic system 1.Another name for a nerve impulse_______________ 2.Term for neurons that carry impulses toward the CNS__________________ 3.A collection of neuron cell bodies located outside the CNS_________________ 4.The sheath around some neuron fibers that aids in regeneration_________________ 5.The system that promotes the fight-or-flight response______________ 6.The system that stimulates the digestive and urinary tracts________________ 7.A complete pathway through the nervous system from stimulus to response____________________ Group C Craniosacral Reflex Neurotransmitter Neuroglia Efferent Nerve Mixed 1.Term that describes most nerves, notably the spinal nerves, because they contain both afferent and efferent fibers____________________ 2.A simple, automatic response that involved few neurons__________________ 3.A chemical that carries an impulse across a synapse__________________ 4.A term that describes the parasympathetic portion of the autonomic nervous system, based on where it originates_____________________ 5.A term that means the same as MOTOR _______________ 6.A bundle of nerve cell fibers located outside the central nervous system_____________________ 7.Connective tissue cells of the nervous system_________________ Group D stretch reflex brachial plexus sciatic nerve motor neurons peripheral neuritis cervical plexus interneuron sensory fibers 1.The network of nerves that supplies the upper extremities________________ 2.Degeneration of nerves supplying the extremities____________ 3.A neuron that relays information within the CNS________________ 4.The type of response exemplified by the knee jerk__________________ 5.The network of nerves that supplies the neck muscles_________________ 6.The type of cells in the ventral gray horm of the spinal cord______________________ 7.The largest branch of the lumbosacral plexus______________________ 8.The structures contained in the dorsal root of a spinal nerve________________