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.

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.

tags: PNW,

from: http://xxvii-mcmxciv.tumblr.com/post/105115323432