Question:
Voluntary: Meaning muscle contraction is under the direct, conscious control of the brain. Involuntary: Meaning muscle contraction occurs indirectly, without conscious control of the brain.
Author: Edward BeathAnswer:
The Two Classifications of Muscles
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Edward Beath![Edward Beath](https://lh6.googleusercontent.com/-HyFSWnkDcAE/AAAAAAAAAAI/AAAAAAAAAAA/AMZuuckOzd82y1ATFjCtlEONLWIrjLkoIQ/photo.jpg)