| A | B |
|---|
| digestion | the process by which the body breaks down food into small molecules |
| egestion* | the process of releasing waste matter (feces) from the body |
| alimentary canal | the long tube from the mouth to the anus, where the food is digested |
| anus | the end of the alimentary canal, where the feces are released |
| small intestine | the part of the intestine where most nutrients are broken down and absorbed |
| absorption | the process by which nutrients are taken across the intestinal wall into the blood |
| feces (Am) / faeces (Br) | waste products left over after food is digested |
| molecule | several particles joined together to form the building blocks of a substance |
| ingestion* | taking in food or drink |
| diffusion* | movement of molecules from an area of higher concentration to an area of lower concentration |
| digestive system | the alimentary canal plus other digestive organs (liver, gallbladder, and pancreas) |
| esophagus (Am) / oesophagus (Br) | the tube connecting the mouth and the stomach through which the food travels |
| pancreas* | a digestive organ that makes insulin and pancreatic juices |
| liver* | digestive organ that makes bile, stores fat, and removes poisons from the blood |
| gallbladder* | digestive organ that stores bile |
| salivary gland* | the gland in the mouth that produces saliva |
