What happens in our body that make our veins look blue, although they are full of red blood? Follow Tech Insider: On Facebook Following is a transcript of the video: If our blood is red ...

When you think of blood, the first colour that probably comes to mind is red. That’s true for most ... break this rule completely– they bleed blue! And no, it’s not science fiction.

you're never really going to get to a really realistic blood red with just red food color, so what we do is we add a little blue, or black, and then that gives us a little depth. So now you know ...