What would most likely be the result of a malfunctioning liver? difficulty passing urine inability to grow hair buildup of toxins limited feces production

The correct answer is accumulation or buildup of toxins.  

One of the vital activity of the liver is to process various kinds of toxins and eradicate it out of the organism's system. Though it is known as a toxin processor, it is not impervious to the toxins itself. As the liver is the main site for drug detoxification and activation, thus, the malfunctioning of the liver will result in the accumulation of toxins.  

covalent bonding is a form of chemical bonding between two non metallic atoms which is characterized by the sharing of pairs of electrons between atoms and other covalent bonds.