| A | B |
|---|
| teeth | "used to rip, break up, and grind the food in the mouth, physical digestion" |
| incisor | "sharp ripping teeth, like scissors" |
| molar | "dull grinding teeth, like a mortar and pestle" |
| mouth | "the first place that physical and chemical digestion occurs" |
| increase surface area | "the reason food is broken up in the first stage of digestion" |
| saliva | "liquid secreted in the mouth that contains enzymes to aid in digestion" |
| salivary glands | "produce saliva in the mouth" |
| amalase | "the enzyme found in saliva" |
| mucus (mouth) | "thick liquid produced in the nasal cavity, aids in lubrication" |
| bolus | "moist ball formed from food and saliva, helps swallowing by preventing choking" |
| swallowing | "the action of moving food from the mouth into the esophagus" |
| epiglottis | "the flap of skin that covers the trachea, prevents food from entering the windpipe" |
| esophagus | "the long tube that carries food by peristalsis into the stomach, no chemical digestion occurs here" |
| peristalsis | "the wavelike motion of smooth muscles that moves food down the esophagus" |
| gastric glands | "found in the stomach, produce the three components of gastric juice: hydrochloric acid, pepsin, and mucus" |
| hydrochloric acid | "gastric juice found in the stomach, dissolves minerals and kills bacteria" |
| pepsin | "gastric juice found in the stomach, breaks down protein into smaller units" |
| mucus (stomach) | "gastric juice found in the stomach, protects the stomach lining from acid, protects the stomach from digesting itself" |
| stomach | "an organ for storing, diluting and digesting food" |
| pyloric sphincter | "The valve that controls when food leaves the stomach into the duodenum" |
| chyme | "the digested food found in the stomach" |
| duodenum | "first portion of the small intestine" |
| bile | "a bitter, alkaline, yellow or greenish liquid, produced by the liver, that helps emulsify fats" |
| emulsify | "whip up to increase surface area" |
| villi | "fingerlike projections responsible for absorbing the broken up food molecules" |
| small intestine | "part of the digestive tract that is responsible for absorption of food particles" |
| large intestine | "part of the digestive tract that is responsible for absorption of water and sodium from remaining undigestable food" |
| feces | "the solid mass of undigestable food to be removed from the body" |
| diarrhea | "the result when not enough water is absorbed by the large intestine, very liquid feces" |
| rectum | "last part of the large intestine, feces is stored here until passed out of the anus" |
| anus | "the final part of the digestive tract, the opening where feces leave the body" |
