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The Nervous System (Vocabulary)

Name: ________________________

Due Date: Friday, Wednesday, May 08, 2019
Across
Supporting Cells of the nervous system.
Dense collections of myelinated fibers
Whitish, fatty material that covers nerve fibers to speed up nerve impulses
Carry impulses from CNS to muscles & glands
Depolarization activates neuron to transmit an
Provides control over skeletal muscles.
1 axon, 1 dendrite
Neurotransmitter that causes muscle contraction is
Conducts nerve impulses away from the cell body
A cell membrane at rest is
Connect sensory & motor neurons
Nerves (spinal nerves, cranial nerves) make up the
1 process
Down
Something that can cause depolarization is
Ability to respond to stimulus & convert to nerve impulse
Fiber that conveys messages toward cell body
Tight coil of wrapped membranes
Autoimmune disease that destroys myelin sheaths..
Gap between neurons
The brain and spinal chord make up the
End of axon; contain neurotransmitters & release them
Gathering Information is
Carry impulses from sensory receptors to CNS
1 axon, several dendrites
Contains nucleus; metabolic center
Transmit messages.
Regulates smooth muscles, cardiac, glands