| Role | Body Part |
| Where the digestive process starts. | |
| Common pathway for air and food/liquid. | |
| Muscular tube that takes food to the stmoach | |
| Releases chyme into small intestine. | |
| Part of the brain that initiates vomitting. | |
| | Role | Body Part |
| First section of the small intestine. | |
| Primary site of digestion and absoption. | |
| Role is to absorb remaining water and transport feces to anus. | |
| Metabolizes nutrients and secretes bile. | |
| Both and endocrine and exocrine gland. Releases Insulin and Glucagon | |
| | Role | Body Part |
| A salivary gland located in the mouth. | |
| Digestion/absoption is usually completed by the time it reaches this part of the small intestine. | |
| Final structure of digestive tract where waste exits. | |
| Final section of the small intestine; role is to transport feces to colon. | |
| Responsible for grinding up food in the mouth. | |
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