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sis sis
wrote...
Posts: 584
6 years ago
The cause of Parkinson's disease has been traced to
 
  a. overproduction of GABA within the caudate nucleus.
  b. loss of cholinergic neurons within the frontal cortex.
  c. overproduction of dopamine within the basal ganglia.
  d. degeneration of dopamine neurons within the nigrostriatal system.
  e. the presence of an extra 21st chromosome.
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If you want to live life free
Take your time, go slowly
Do few things but do them well
Heartfelt work grows purely.
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ch102ch102
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Posts: 755
Rep: 8 0
6 years ago
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sis Author
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6 years ago
Brilliant
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Yesterday
Helped a lot
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2 hours ago
Just got PERFECT on my quiz
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