| List I | List II | ||
|---|---|---|---|
| A. | Vibrations in skeletal muscles of larynx | I. | Facial contractions |
| B. | Involuntary contraction of skeletal muscles that is regulated by the brain | II. | Regulate voice |
| C. | Contraction of skeletal muscles in the legs | III. | Shivering |
| D. | Pull of skeletal muscles on attachments to skin of face | IV. | Assists return of blood to the heart |
| V. | Causes facial expression | ||
The musculoskeletal system comprises bones, cartilage, ligaments, tendons, and connective tissues. The skeleton contributes a framework for the muscles and other soft tissues. Together, they hold up our body’s weight, maintain our posture and help us move.