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8 Cards in this Set

  • Front
  • Back
axon
threadlike extensions of a neuron that carries nerve impulses away from the cell body
stimulus
any change or signal in teh enviroment that can make an organism react in a certain way.
neuron
a cell that carries messages through the nervous system
dendrite
a threadlike extension of a neuron that carries nerve impulses to the body
synapse
tiny space between axon and the next structure
nearsitedness
near objedcts can be see clearly-
far = blury
formation of the eye- is long
farsightness
far= clear
near = blury
formation of eye is too tall
anabolic steroids
synthetic chemical that are like hormones produced in the body that may increase muscle size and cause mood swings