# giraffe giraffes nasafacts giraffeart giraffeillustration cutegiraffe spacefactsdaily worldgiraffeday wgd sciart scientificillustration giraffeconservationfoundation gcf

NASA has done research on blood vessels to help them design human space suits?
have special valves in their blood vessels that stop the back-flow of blood.



0 1
2022-02-23

Happy World Giraffe Day!

A few drawings from my sketchbook to celebrate       

0 11
2021-06-21