Answer:
1; Fiber
2: I'm not sure about this one, something like that is called a catalyst but it doesn't fit.
3: Should be vitamins and minerals, but don't know a word that is that length
4: Defecation, or to defecate
5: Pharynx
6: Protein
7:Iron
8: Anus
9: Again unsure, the mouth mechanically breaks down food, but by the act of chewing. saliva helps in this process.
10: Saliva
