Describe how the mouth is able to both mechanically and chemically break down food prior to it entering the stomach.

You can use the links provided as references including the textbook chapter 3. Thank you.
1.)Describe three digestive disorders, including their causes as well as any nutritional interventions used in their treatment.

2.)Probiotics are often suggested as a dietary supplement to reduce diarrhea symptoms when one is taking antibiotics for some types of infection. What effect would antibiotics have on digestion? Why might probiotics help?

3.)Describe how the mouth is able to both mechanically and chemically break down food prior to it entering the stomach.