Octopuses have copper-based blood instead of iron-based blood, which is why their blood is blue rather than red - Interesting facts
 
yohyoh
New Account ?

Invite Your Friends

.
download yohyoh-views2032yohyoh1

Octopuses have copper-based blood instead of iron-based blood, which is why their blood is blue rather than red - Interesting facts

- on 2015-10-21 10:34:31
Related Images
tigernaturegoodnightyawning-animals