SUBBABLE MESSAGE••• TO: Jordan Schoonover FROM: Mom, Dad & Madison Happy Birthday Jordan! We love you sweetheart!! *** You can directly support Crash Course at http://www.subba...
========== Check out this amoeba.Pretty nice. Kind of a rugged, no-frills life
form.The thing about amoebas is that they do everything
in the same place. They take in and digesttheir food, and reject their waste, and get
through everything else they need to do, allwithin a single cell.They don’t need trillions of different cells
working together to keep them alive. Theydon’t need a bunch of structures to keep
their stomachs away from their hearts awayfrom their lungs. They’re content to just
blob around and live the simple life.But we humans, along with the rest of the
multicellular animal kingdom, are substantiallymore complex. We’re all about cell specialization,
and compartmentalizing our bodies.Every cell in your body has its own specific
job description related to maintainin...
