She could talk with her friends ( probably get yelled at by the teacher) and she couldn't sing along so she is able to breathe and talk but not sing because singing takes too much air then just talking. ok? ok :) have a good day
No, only doing crunches will not help. You will have to do a variety of excercises to help lose weight around the belly. A good example of excercises that will help you lose weight would be cardio excercises.