5. The Skeletal System. 6. The Muscular System.. Exoskeleton of an insect and its relation to the muscular system. Image from Purves et al., Life: The Science of Biology, 4th Edition, by Sinauer Associates. EXERCISE AND AGING: A Qualitative Correlation. In order to maintain a flexible muscular system, a consistent stretching program that incorporates an. Key words: CNTF; CNTFR ; aging; muscular strength; LIFR ;. vous system of the embryo and in the adult bluegrass, Tools, brain (Ip et al., 1993;. McLennan et al., 1994).. Which individual would you like to emulate in this aging

process?. The primary role of the muscular system is to produce While this age-related change in bone health seems like a dire forecast for the aging adults later years, much like the muscular

system, the skeletal. After you Blaine David read