Your answer is <em>A </em>or<em> hydrogen bond. ;) </em>because <em>hydrogen bonding</em><em> </em>is a weak bond between two molecules resulting from an electrostatic attraction between a proton in one molecule and an electronegative atom in the other.
The wastes would build up in your blood, and can cause serious damage. You can also have serious infections and pain if your kidney is not functioning properly.