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ch9 need to know

QuestionAnswer
brain controls everything
spinal cord carries messages body to brain vise versa
neuron communication, sensation, thinking, ect.
sensory body to brain
affarent arrives to brain
effarent exits brain
astrocytes supports neurons, nutrients, and blood-brain barrier
myelin speeds up signals
receptor detects stimulus
effector reacts
path of reflex arc receptor detects stimulus, sensory neuron, spinal cord, motor neuron, effector
Created by: b.marshall
 

 



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