Peripheral Nervous System
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nervous system
• it consists of the brain, spinal cord, snensory organs, and all of the nerves that connect these organs with the rest of the body
stimuli
• it is something that causes a reaction
response
• it is how your body handles a stimulis
receptors
• a structure on the surface of a cell (or inside a cell) that selectively receives and bins a specific substance
synpase
• a region where nerves are transmitted and received
nerve impulse
• a neuron receives an impulse and must pass it on to the next neuron and make sure the correct impulse continues on
dendrite (neuron)
• it is how messages get sent to other neurons
axon (neuron)
• it receives nerve messages
sensory neurons
• brain to spinal cord
interneurons
• sensory neurons to motor neurons
motor neurons
• brain and spinal cord muscles
autonomic
• PNS controls the involuntary actions. One group of nerves controls what starts and another controls group controls what stops
somatic
• part of the PNS controls, voluntary actions