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Digestive system
| Term | Definition |
|---|---|
| Physical Separating of food | mouth/teeth |
| Connects the mouth to the stomach | esophagus |
| not part of the digestive system | trachea/windpipe |
| when food is dissolved or digested with enzymes | chemical digestion |
| -One long tube in the body | alimentary canal/gastrointestinal |
| -Stores food for 4-6 hours and digests it with HCL | stomach |
| -Where bile is stored | gallbladder |
| -The organ that makes bile. | liver |
| -Secretes enzymes into the intestines | pancreas |
| -When water and nutrients are taken from the intestines | absorption |
| -The shorter in length but wider around intestine | large intestine |
| -The first part of the alimentary canal | mouth/oral activity |
| -About 6 feet long | large intestine |
| ingestion: the process of | taking food into the body through the mouth |
| propulsion: the process of | moving food through the digestive tract |
| mechanical digestion | Physical breakdown of food into smaller pieces. |
| Chemical digestion | Enzymatic breakdown of complex food molecules into simpler nutrients. |
| defication | elimination of indigestible waste materials (feces) from the body via the anus |
| the functions of the mouth are: | Ingestion, mechanical digestion (chewing), chemical digestion (saliva), and speech. |
| teeth | chewing and used for mechanical digestion |
| trachea | the windpipe, airway to lungs |
| esophagus | muscular tube that transports food from the pharynx to the stomach |
| stomach | stores food for 46 hours |
| small intestine | primary site of chemical digestion and nutrient absorption. 6 meters |
| large intestine | organ responsible for absorbing water and electrolytes, and forming feces. Wider |
| liver | produces bile |
| gallbladder | stores and concentrates bile produces by the liver |
| pancreas | produces digestive enzymes and hormones |
| appendix | small pouch attached to the large intestine |
| pepsin | breaks down proteins |
| lipase | begins fat digestion |
| alimentary canal | the entire passage through which food passes from the mouth to the anus |