You will get "smokers cough". Your cilia catches toxins and try's to get rid of them- your body coughs it up
I believe crunches are the best for building physical strength, although the rest also do help.
Salting your food can remove the moisture.
It is letter C because if you rarely excercise you will feel more sore when you do, due to your muscles being not used to the work they are being put under
