Here is an answer to your question about space and the human body.
This is a serious question cause we have astronauts that go into space on a regular basis to repair and explore.
To best answer I am going to give you a website that has studies by NASA that explains what happens to you in space if you did not have a suit on.
Human Body in a Vacuum
Here is another link that talks about the effects of micro gravity and those who are in it like the astronauts for months at a time.
Effect of space on Human body
I hope this helps.
Stephen C.