What is not a natural function that water promotes within the human body? question 5 options: transportation system lubricant increased body temperature participant in biochemical reactions?

I think the correct answer would be the third option. It is the increased body temperature that is not a natural function of water in the body. It does not function to increase temperature but to regulate the temperature of the body. Also, it is an important molecule for the reactions in the body to occur.

The answer is a if u read the definition it makes sense