When a tobacco user no longer uses tobacco the body no longer gets nicotine and the user experiences

Your answer is  d.)relationship between pressure and air volume and led to the understanding of how respiration works

Pretty sure this would be b. the rest are trick questions. the bystanders  won't go near you if u have cpr cuffs that could hurt them. the dog will back off because the sound will scare him. and the vomits just a stupid trick. if there is that much slober and vomit on the guy hes either choking on it, or just take off his shirt.