Why is the interconnection of organs in the body important?

Because they complement each other. Since the stomach and intestines provide the body with energy and various vitamins, the liver filters by organisms, converts glucose into energy, the lungs enrich the body with oxygen which, when oxidized, releases energy, carbon dioxide and water removing them from the body, the kidneys cleanse the body of salts, the heart sends oxygen to the organs, necessary vitamins, and various necessary things that other organs need, and the brain gives orders to other organs.