Classify each of the following structures according to the division of digestive system it belongs to. Write A if it belongs to the oral cavity region, B if it is apart of the gastrointestinal tract, or C if it is an accessory structure.
1. sublingual gland *

2. soft palate *

3. rugae *

4. ileum *

5. ascending colon *

6. gallbladder *

7. pancreas *

8. incisors *

9. papillae *

10. pyloric sphincter *