Despite popular belief, and astronauts blood does not boil in space.  

Nice presentation 👌🏻 keep up the good work

I think it may be slightly more complicated than that -- right near the surface of your skin, I imagine some of the tissue would expand and some of the blood probably _would_ boil, causing some bruising at the very least as your capillaries started to burst. But of course, the complete lack of oxygen is the bigger concern. Without oxygen, you won't be living very long.

if ur blood vessels are able to withstand the negative pressure

But…you wouldn’t hear it! 🤣

That literally proves nothing, as I'm going to trust all of the other scientists who have proven otherwise.

'Promosm' 😅