A、there are two kinds of motor neurons
B、the lateral nuclear group is almost present in most segments of the spinal cord
C、the medial nuclear group is prominent in the segments of the cervical and lumbosacral enlargments
D、the medial nuclear group supplies the muscles of the limbs
A、that; if
B、that; that
C、why; that
D、because; that
A、think nothing of
B、think nothing about
C、think much for
D、think much about
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