Home / Series / Eons / Aired Order / Season 2019 / Episode 2

How Blood Evolved (Many Times)

Blood is one of the most revolutionary features in our evolutionary history. Over hundreds of millions of years, the way in which blood does its job has changed over and over again. As a result, we animals have our familiar red blood. But also blue blood. And purple, and green, and even white.

English
  • Originally Aired January 15, 2019
  • Runtime 10 minutes
  • Content Rating United States of America TV-G
  • Network YouTube
  • Created January 15, 2019 by
    Administrator admin
  • Modified January 15, 2019 by
    Administrator admin