Short biology questions

I taking my Bio final right now need some help with two short answer questions and five short answer questions. who wants to help me?

31. How does H. pylori contribute to stomach ulcers?

32. What is atherosclerosis? How is it responsible for heart attacks?

33. Why shouldn’t we talk when eating food?

34. How do innate defenses differ from adaptive defenses? Provide an example of each type of defense.

35. The endocrine system is responsible for managing our physiological responses to stress. In response to short-term stress, which gland(s) produce(s) hormone? Which hormone(s) is (are) produced? Descried the body’s response to short-term stress.