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two types of cells that make up neural tissue neurons, neuroglical cells
nervous system divided into 2 divisions what are they CNS and PNS
the ____ nervous system contains brain and spinal cord central
the _____ nervous system contains the spinal and cranial nerves peripheral
list 2 divisons of the peripheral nervous system sensory and motor
list 2 divisions of the motor divison autonomic and somatic
which division of motor carries impulses to heart autonomic
which divison of motor carries impulses to skeletal muscles somatic
which division of peripheral n.s carries impulses to the muscles and glands motor
which division of PNS picks up sensory info and sends it to the CNS sensory
what is meant by the terms efferent and afferent e= sends impulses away from CNSA= sends impules to CNS
___ neurons carry impules away from CNS motor
___ neruons carry impulses towards the CNS sensory
nerve impulses travel from neuron to neuron at junctions called synapse
at resting membrane potential the ions are polarized
if mem. has become more neg. it has become hyperpolarized
if mem. has become less neg it has become depolarized
the adding of stimuli to each other is called summation
when stimuli add up to the point of producing an action potential it is known as a ___ stimulus threshold
Created by: Mollie28