| A | B |
| Digestion | the breakdown of food |
| Calories | amount of energy needed to raise the temperature of 1 kil. of water by 1 degree celsius |
| Nutrients | Usable portion of food |
| Mechanical digestion | Physical breakdown of food |
| Chemical digestion | Chemical altering of the substance |
| Teeth | Used to start mechanical digestion |
| Incisor | The front tooth; used for cutting |
| Canine | The teeth used to tear and shred the food |
| Molar | The teeth used to grind and crush the food |
| Enamel | The top cover on the teeth |
| Dentine | Surrounds the pulp cavity; is alive |
| Pulp cavity | Between the two levels of dentine; keeps it alive |
| Root | The bottommost level of the tooth; it goes into the gum |
| Crown | The top of the tooth |
| Tongue | pushes the food back in your mouth so that you can chew it; also helps put the food down to the esophagus pipe |
| Four tastes | Sour, sweet, salty, bitter |
| Bolus | The ball of food that goes down the esophagus; held together by mucus |
| Swallowing | The process to get the food to the esophagus |
| Salivary gland | Produce saliva |
| Saliva | Helps moisten your food; contains ptyalin |
| Hydrochloric Acid | Helps break complex proteins into simpler ones |
| Ptyalin (amylase) | A substance found in salivaused to break starced down into sugars |
| Enzyme | Helps to control a wide variety of of chemical reactions |
| Mucus | Coats and protects the stomach wall from hydrochloric acid |
| Esophagus | A tube that carries the food from the mouth to the stomach |
| Epiglottis | The flap that closes over the windpipe so food doesn't go down it |
| Heimlich Manueuver | A way to force food out of the mouth when it gets stuck |
| Peristalisis | The waves of contractions that push food through the esophagus |
| Stomach | The j-shaped organ where the food goes after it leaves the esophagus |
| Pepsin | Begins the digestion of protein |
| Rennin | Begins the digestion of milk |
| Ulcer | If you don't produce enough mucus, you digest your own stomach |
| Duodenum | The c-shaped curve comes after the stomach |
| Liver | Largest and heaviest organ; produce bile |
| Gall bladder | Stores bile until needed |
| Bile | Helps to break up large fat particles into small ones |
| Pancreas | A soft triangular organ; produces pancreatic juices and insulin |
| Small intestine | Digestive organ in which most digestion takes place |
| Villi | A fingerlike structure that lines the small intestine through which food is absorbed through the bloodstream |
| Large intestine | Organ in the digestive system in which water is ab |
| Appendix | Finger-shaped organ |
| Rectum | End of the large intestine |
| Alimentary canal | If anyone know please e-mail em with the answer |
| Feces | Undigested waste product |