Based on what you have read in the lesson about the functions of each part of the digestion system, what do you think could be one cause of diarrhea, which is a malfunction of the digestive system resulting in excessively watery stool?
select one: a. waste moving through the large intestine too quickly b. waste moving through the small intestine too slowly c. excessive churning in the stomach d. adding too much salivary amylase in the oral cavity