N+W Ch. 4 Review

5. A disorder in which many abnormal pouches form in the intestinal wall.
6. All of the chemical changes that occur as cells produce energy and materials needed to sustain life.
7. A series of squeezing actions by the muscles in the esophagus.
9. The first step in the digestive process.
10. When feces becomes hard and bowel movements painful.
13. A burning pain in the middle of the chest caused by stomach acid flowing back into the esophagus.
15. The mixture of gastric juices and chewed food that combine in the stomach.
16. A reaction of your body’s immune system to certain proteins found in foods.
17. Carbohydrates, proteins, lipids, and water that are needed in relatively large amounts.

1. An unpleasant reaction by the body's digestive system that occurs in response to certain foods.
2. The passage of nutrients from the digestive tract into the circulatory or lymphatic system.
3. The vitamins and minerals that are needed in small amounts.
4. Tiny, fingerlike projections in the small intestine
8. The amount of heat needed to raise one kilogram of water one degree Celsius.
11. A type of protein produced by cells that causes specific chemical reactions.
12. A digestive juice that aids fat digestion.
14. An open sore in the lining of the stomach or small intestine