muscular system n.
All the muscles of the body collectively, especially the voluntary skeletal muscles.
The teeth are clenched or ground together, and the muscular system is commonly stimulated to violent, almost frantic action.
Gymnastics is the art of systematic training of the muscular system.
The cylinders of an engine take the place of the muscular system of the human body.
But the muscular system has nearly or quite reached its limit.
In the muscular system nearly all contractions are involuntary.
For the purposes of description the muscular system of the Vertebrata may conveniently be divided into two sections, viz.
The teeth for want of use fail, as the muscular system declines through284 indolence.
The muscular system has greatly developed and the larva is much more lively in its motions than before.
The body is thin and badly nourished, and the muscular system especially poorly developed and very lax in tone.
Your muscular system is rather defective; there not being enough to furnish real strength and stamina of constitution.
The system in the body composed of muscle cells and tissues that brings about movement of an organ or body part. There are three kinds of muscle: skeletal muscle, which is attached to bones and allows the voluntary movement of limbs; smooth muscle, which is found in internal organs and aids in the involuntary movements that occur in the circulatory, digestive, excretory, reproductive, and respiratory systems; and cardiac muscle, which forms the powerful walls of the heart. (See illustrations, previous two pages.)