14: Musculoskeletal System
- Page ID
- 55523
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Use strengthens, disuse debilitates.
Hippocrates (460-377 B.C.)
Get off your duff!
Mom and Dad
Watching the agility and accuracy of a star quarterback, we marvel at what a skeleton and a set of muscles can do. We tend to forget about their other functions. Without a skull and ribs, think of the brain, lung, and heart damage the quarterback would suffer when sacked. And remember that his endeavors—and life itself—depend on the regular contractions of the heart and respiratory muscles.