Why are cardiovascular diseases the leading cause of death in men and women in the united states? i just need a head start. you all so much.

Your heart pumps blood throughout your blood- your body needs that blood with oxygen...a cardiovascular disease will interfere with this

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. 

Answer its calculated by subtracting your age from 220;