Answer:
Digestive system
Explanation:
Cigarettes that are smoked cause respiratory infections such as lung cancer, but chewing tobacco would cause more damage to the digestive system. There's a chance you might swallow it and when you chew it the juices/tobacco go down your throat into your stomach.
<em>Hope</em><em> </em><em>this</em><em> </em><em>helped</em><em> </em><em>:</em><em>)</em>
Answer:
I think is C because if use clean instruments you avoid infections.
You should go to the doctor or put some ice it might help keep your back straight too