Nitric oxide gas dissolves in water and releases hydrogen ions (H+). The solution is now: a) neutral
b) an acid
c) a base

organ system-an organ system is a group of organs that work together to perform one or more functions. each does a particular job in the body, and is made up of certain tissues.

the three components of a nucleotide are the nitrogenous base, the phosphate group and the five-carbon sugar.