The affect salt water has on a body is that you can dehydrate faster or quicker it is very harmful cause drinking to much can and will kill you
Tell me whether you mean the way the body works, what happens when you get injured or all of the above and i will answer your question
Saliva, blood, having Intercourse with some with HIV
I would say something that makes you use the spinal cord the most (if you catch my drift)...
B or c because they both are very good answers sorry i couldn't help that much :(
