Both skeletal muscle and cardiac muscle are ____________.
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The part of a neuron that contacts a muscle cell is the axon.
A. 对
B. 错
Skeletal muscle is voluntary.
A. 对
B. 错
The origin of a muscle is attached to a moving part.
A. 对
B. 错
The hamstring group is in the anterior thigh.
A. 对
B. 错