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10 Cards in this Set

  • Front
  • Back
What are the 2 components of the nervous system?
Central Nervous System, Peripheral Nervous system
What are the 3 different types of neurons?
Sensory, Interneurons (association), Motor
What is the job of dendrites?
Recieve information.
What are the Nodes of Ranvier?
Gaps between Schwan cells in the Myelin Sheath that speed up travel.
What is the simplest neural pathway?
Reflex Arc.
What are the 5 main components of the reflex arc?
receptor, sensory neuron, interneuron, motor neuron, effector.
What is the threshold stimuli?
Minimum level of stimulus required to start an action potential.
What is a synapse?
Space between a neuron's axon and its target.
When will a motor neuron stimulate an effector?
If sufficient excitatory impulses are recieved from association neurons
Changes in what will cause nerve cells/neurons to be stimulated or activated/depolarized?
PH, pressure, specific chemicals