What it means
smooth musclesmooth MUS-ulMuscle that works without conscious control and lines hollow organs such as the stomach, intestines, bladder, airways and blood vessels.Full entry lines the walls of hollow organs, such as the gut, bladder, airways and blood vessels, and cardiac muscle makes up the heart. They are controlled by the autonomic nervous system and hormones, not by choice. skeletal muscleSKEL-uh-tul MUS-ulMuscle attached to bones that a person moves by choice, such as the muscles of the arms and legs.Full entry , which moves the bones, is voluntary muscle.
At a glance
| Also written | involuntary muscles |
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Related terms
autonomic nervous system
The part of the nervous system that controls body functions without conscious thought, such as heart rate, breathing and digestion.
smooth muscle
Muscle that works without conscious control and lines hollow organs such as the stomach, intestines, bladder, airways and blood vessels.
skeletal muscle
Muscle attached to bones that a person moves by choice, such as the muscles of the arms and legs.