| A | B |
|---|
| Mouth | Where digestion begins. |
| Saliva | Contains enzymes that turns starches into surgars also helps to you to swallow food. |
| salivary glands | You have 3 pairs of these called the parotid, the sub-maxillary and the sublingual. |
| esophagus | The food tube that leads from the pharynx to the stomach. |
| epiglottis | A flap of cartillage that covers the trachea(windpipe) when you swallow and prevents you from choking. |
| alimentary canal | Includes all the parts of the digestive system except for the parts that the food does not travel through like the pancreas, the liver and the gall bladder. |
| mechanical digestion | The physical breaking down of food into smaller pieces like churning and chewing. |
| chemical digestion | The breaking down of food through the use of enzymes that change the make up of the food and make it smaller on the molecular level. |
| stomach | It has chemical (gastric juice) and mechanical digestion (churning of lengthwise and crosswise muscles). |
| mucus | Protects the lining of the stomach from gastric juices. |
| small intestine | Continues to chemically breakdown food it also absorbs food into the bloodstream. It is about 20 ft long.It is where digestion stops! |
| Large intestine | About 5 feet long, absorbs water back into the body and moves the waste material out of the body. |
| anus/rectum | Where the waste materials are stored until they are ready to leave the body- the exit. |
| gastric juice | The juice or acid secreted by the stomach to chemically break down food into a thick liquid. |
| chyme | Food that is semi-digested into a thick liquid in the stomach when it is ready to enter the small intestine. |
| liver | Has over 500 functions, stores nutrients, and produces bile |
| gall bladder | Stores and releases bile into the small intestine. |
| pancreas | Secretes a hormone called insulin that regulates sugar in the body and digestive juices into the small intestine to aid in chemical digestion. |
| peristalsis | The muscular contraction of the digestive system that moves the food through the body. |
| villi | Small fingerlike projections in the small intestines no bigger than a comma that absorb the nutrients and send them to the whole body. |
| esophageal sphincter | The gate that prevents food from going back up the esophagus, it is at the end of the esphagus at the beginning of the stomach. |
| pyloric sphincter | The gate that lets the chyme enter the small intestine. |
| decidous teeth | Baby teeth |
| permanent teeth | Adult teeth you have 32 of them. |
| incisors | These teeth cut the food. |
| canine teeth | otherwise known as cuspids, rip and tear the food. |
| pre-molars | Also known as bicuspids, these grind and chew the food. |
| molars | These grind the food. |
| fundus | The top portion of the stomach. |
| pylorus | The bottom portion of the stomach. |
| Kidneys | Filters water, salts and others wastes such as urea out of the blood and produce a liquid waste known as urine. |
| ureters | Carry the liquid waste from the kidneys to the bladder. |
| Urinary Bladder | Stores the urine, until ready for elimination. |
| Urethra | The tube that leads the urine out of the body. |
| skin | The organ that has sweat glands and is one of the excretory organs that secrete a liquid waste called sweat. |
