It's true, octopuses have three hearts, one that pumps blood around the body and two more which pump blood through the two gills.
They also have blue blood instead of red, due to having copper rather than iron as their binding mineral.
Oops! This image does not follow our content guidelines. To continue publishing, please remove it or upload a different image.
Diagram courtesy of Compound Interest.
YOU ARE READING
Octopus
RandomDid you know that an octopus has 3 hearts? A collection of fun and facts about these amazing creatures.
