By purifying it Mainly without Purfied tap water it can contain lead or and Eventually lead to lead poising and kill you
Organs that are not part of the gastrointestinal tract are the liver, gallbladder, pancreas, etc.
The<em> gastrointestinal tract</em>, which is also called the <em>alimentary canal</em>, is the pathway by which food enters the body and solid wastes are expelled.
The organs in the gastrointestinal tract include the mouth, pharynx, esophagus, stomach, small intestine, large intestine, rectum, and anus.
Examples of organs that are not part of the gastrointestinal tract are the liver, gallbladder, pancreas, etc.
Learn more here: brainly.com/question/15864680
I think it is because of a varicose ulcer, might not be right though