Water is essential because: cells and organs rely on it, it regulate body functions, flushes out the waste products, or all of the above

The correct answer is "all of the above." Water assists in all of these functions.

I'd say 8. i'd u don't so what u should u don't get what u want.

Pretty sure this would be b. the rest are trick questions. the bystanders  won't go near you if u have cpr cuffs that could hurt them. the dog will back off because the sound will scare him. and the vomits just a stupid trick. if there is that much slober and vomit on the guy hes either choking on it, or just take off his shirt.