| A | B |
|---|
| mouth | receives food and prepares for digestion |
| cheeks | consist of several layers of skin and moist squamous epithelium |
| tongue | nearly fills the oral cavity when mouth is closed |
| lips | highly mobile structures filled with blood vessels |
| salivary glands | ssecrete saliva |
| palate | forms roof of oral cavity |
| teeth | break food into smaller pieces |
| mucus | binds food together and acts as a lubricant durring swallowing |
| stomach | receives food and mixes it untill it moves to the small intestine |
| pepsin | most important gastric juice |
