Digestive system Stomach Urinary system Urinary bladder esophagus gallbladder urine pancreas small intestine kidney liver large intestine nephron 1. _________________________ remove a variety of harmful substances from the body. Among the most important of these substances is urea. 2. The _______________________ are a pair of bean-shaped organs that constantly clean the blood. This organ filter about 2,000 liters of blood each day. 3. The _______________________________ is a group of organs that work together to digest food so that it can be used by the body. 4. The __________________________ is a long, straight tube connecting the throat with the stomach. 5. The ______________________ is a muscular, baglike organ attached to the lower end of the esophagus. 6. The ______________________ is a fish-shaped organ located between the stomach and small intestine. 7. The _________________________ is a small baglike organ that temporarily stores bile. 8. The _______________________ is a large reddish brown organ that helps with digestion. 9. The __________________________ is a muscular tube that is about 2.5 cm in diameter, and is where most chemical digestion occurs. 10. The _________________________ is the organ of the digestive system that stores, compacts, and then eliminates indigestible material from the body. 11. The __________________________ removes waste products from your blood. 12. ______________________ is a yellow fluid that remains in the nephrons and leaves each kidney through the ureter. 13. The ________________________________ is where urine is stored.