None of the options listed have a function that is similar to the function of the bladder in the excretory system. The bladder's primary function is to store urine before it is eliminated from the body, whereas the organs listed are involved in the digestion and absorption of nutrients.
The organ in the digestive system that has a function that is most similar to the function of the bladder in the excretory system is the large intestine.
The organ in the digestive system that has a function most similar to the bladder in the excretory system is the urinary bladder. The urinary bladder, which is a part of the excretory system, stores urine before it is expelled from the body. Similarly, the function of the organ in the digestive system that is most similar to the bladder is the stomach. The stomach is responsible for storing and breaking down food before it moves on to the small intestine for further digestion and absorption. Therefore, the correct answer is the stomach.
