| A | B |
| Essential amino acids | Produced by food only, not by body |
| Lipids | Fats |
| Absorption | Chyme taken into villi of small intestine |
| Complete proteins | Contain all 9 essential amino acids |
| Nonessential amino acids | Produced by the liver, no need to include in diet |
| Anabolism | Build up phase of metabolism |
| Nitrogen balance | Protein nitrogen intake equal to protein nitrogen output |
| Digestion | Process of breaking down food for body’s energy |
| Incomplete proteins | Do not contain all nine essential amino acids |
| Body Mass Index | Method to measure body fat and health |
| Simple carbohydrates | Rapidly absorbed carbs |
| Metabolism | Processes body cells use to break down and utilize food |
| Antioxidants | Help deactivate free radicals |
| Catabolism | Break down phase of metabolism |
| Complex carbohydrates | Take longer to digest to produce energy |