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Motor neuron controls muscle movement

Stock Photo:
Image ID: 125891597
Small
470x500 6.5"x6.9" (72dpi) 106 KB
Med
940x1000 3.1"x3.3" (300dpi) 295 KB
Large
4701x5001 15.7"x16.7" (300dpi) 2.2 MB
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