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Voluntary muscles are the muscles that can be controlled consciously, and are made up of cylindrical fibres. Generally, these muscles are attached to bones of the skeleton, thus called the skeletal muscles. Skeletal muscles are striated and are made up of multinucleate cells.
Involuntary Muscles. Involuntary muscles are the muscle that cannot be controlled consciously. Their actions are mainly controlled by the autonomic nervous system in the body. Main types of involuntary muscles are smooth muscles and cardiac muscles.