What Is the Connection Between the Digestive System and Urinary System?

The digestive system and urinary system are connected through the digestion and waste removal processes. Digestion begins through the intake of food that travels through the organs of the digestive system, including the stomach, small intestine, and large intestine. This digestive process is for nutrition absorption for the body’s needs. Everything that is broken down is sent to the kidneys through the blood. After the kidneys have filtered out liquid waste, the bladder completes the disposal through urine.

Many doctors and medical organizations refer to the digestive system and urinary system together. These two systems work in conjunction with each other. The digestive system breaks down food for the nutrients the body needs. Solid waste from food is removed by the digestive system, but liquid waste is handled by the urinary system. Each system has its own set of organs, but the systems are connected through the processes they perform.

Food enters through the mouth and travels down the esophagus to the stomach. Acids in the stomach break down the food, and it travels to the small intestine. In the small intestine, nutrients are absorbed. The remaining solid waste goes to the large intestine. Liquid waste is carried through the circulatory system and into part of the urinary system.

Blood carries the remaining liquid waste to the kidneys to be filtered. This filtering removes toxins and other harmful products from the blood. The removed waste is compiled and sent to the bladder. As the waste is added, the bladder fills with urine. Once it is full, the bladder empties all of the wastes.

Although the digestive system and urinary system are actually two separate body systems, they are connected. On its own, the digestive system’s main purpose is to digest food and provide nutrients for the body. The urinary system is responsible for removing liquid waste that the body does not need. Both systems rely on each other to ensure a person remains healthy.

Due to how the digestive system and urinary system are related, problems can occur in one system that can also affect the other. If, for example, the digestive system cannot properly break down food, excess toxins can be passed to the urinary system. This can sometimes result in too many toxins remaining in the bloodstream. If the kidneys are not functioning at full capacity, the toxins that come from the digestive system cannot be filtered and remain in the body or are recirculated into the blood.