Digestive+System+Quiz

1. Urine travels from each kidney to the urinary bladder through the ureter. 2. The rhythmic contractions that occur in the digestive tract are called peristalsis. 3. The chemical digestion of carbohydrates begins in the mouth. 4. Bile is made in the liver and stored in the gallbladder. 5. Excretion is the process of removing wastes and waste products from the body. This term is only used when substances are passed through a membrane before leaving the body. 6. Indigestible material is formed into feces in the large intestine. 7. B - ADH 8. D - Liver 9. C - Nephron 10. D - Villi 11. B - Pancreas 12. A - Chyme 13. The pancreas releasing bicarbonate is important because it neutralizes the acids in the chyme which enters the small intestine. If the acids weren't neutralized, then the lining of the small intestine would be torn up. If it didn't release the bicarbonate and neutralize the acids, then the enzymes wouldn't be able to do their job, and we wouldn't have all the nutrients we need. 14. The small intestine's structure helps it improve its function because the small villi help it absorb nutrients. Since it is folded over and over, it is large, containing more villi. 15. A diuretic is a drug that makes your kidneys produce more urine. 17. Digestion would take longer because the bile wouldn't be there to help break down the food. 18. Saliva causes this taste change.

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