What is urea?

1. a structure in the kidney
2. the waste removed by the kidney
3. the tube that connects the kidney to the bladder
4. the tube through which waste leaves the body

2. the waste removed by the kidney

Which organ in the digestive system has a function that is most similar the function of the bladder in the excretory system?

1. large intestine
2. esophagus
3. small intestine
4. stomach

1. large intestine

The large intestine in the digestive system stores waste material before it is excreted from the body, similar to how the bladder stores urine before it is expelled from the body in the excretory system.