fyeahscienceteachers: skunkbear: Think about the centuries of medical advances that made this surgery possible. Think about the amazing machinery of our bodies — the bones that can knit together, the heart that can pump blood through foreign veins.
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fyeahscienceteachers: skunkbear: Think about the centuries of medical advances that made this surgery possible. Think about the amazing machinery of our bodies — the bones that can knit together, the heart that can pump blood through foreign veins.
