Not all subjects about the Human Body are pleasant. However the functions of Mucus and the fact that everyone has it, makes it a subject that should be of interest especially since its importance must not be underestimated.

"Mucus is incredibly important for our bodies," explains Michael M. Johns, III, MD, director of the Emory Voice Center and assistant professor of otolaryngology -- head and neck surgery at Emory University. "It is the oil in the engine. Without mucus, the engine seizes."

How much mucus is normal, and how much is too much? What does its color tell you about your health? Can you just get rid of it, or at least cut down on it, and how should you do that? Here are answers.