The skeletal system in humans has been shaped by evolution over eons.(Image credit: LEONELLO CALVETTI/SCIENCE PHOTO LIBRARYvia Getty Images)
The framework of our bodies — the human skeleton, featuring bones and cartilage — underwent evolution for ages. It is formed of an axial segment, which is made up of the skull and spine, along with an appendicular section, encompassing the shoulders, hips, and extremities.
A key role of the skeleton is shielding our vulnerable internal structures, yet another significant role involves facilitating motion; bones operate as levers thanks to muscles, tendons, and ligaments.
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Kristina KillgroveSocial Links NavigationStaff writer
Kristina Killgrove works as a staff writer for Live Science concentrating on paleoanthropology and archaeological reports. Her pieces have additionally been featured in media outlets such as Smithsonian, Forbes, and Mental Floss. Kristina possesses a Ph.D. in physical anthropology and an M.A. in classical archaeology obtained from the University of North Carolina; additionally, she holds a B.A. in Latin earned from the University of Virginia. She formerly served as a university instructor and researcher. She has been recognized with accolades from both the Society for American Archaeology and the American Anthropological Association owing to her scientific writing.
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