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sfhb- nerves
spinal cord and nerves
Question | Answer |
---|---|
non-conducting "support staff" for nerves | NEUROGLIA |
Unmyelinated nerve cells found in the middle of the spinal cord | GRAY MATTER |
myelionated neurons that surround gray matter surrounds gray mattter | WHITE MATTER |
Word that describes motor neurons commands to the brain | EFFERENT |
Afferent neurons conduct these | SENSORY IMPULSES |
functional unit of the nervous system | NEURON |
the dendtite end of a neuron is the | RECEPTOR |
pulling up your foor after stepping on a tack is an example of | THE REFLEX ARC |
Number of spinal nerves | 31 |
Controls smooth muscle, cardial muscle and glands | AUTONOMIC NERVOUS SYSTEM |
fight or flight response | SYMPATHETIC NERVOUS SYSTEM |
rest and digest | PARASYMPATHETIC NERVOUS SYSTEM |
three main plexuses | cervical, brachial, lumbar |
region of skin controlled by a particular spinal nerve | dermnatome |