Which best defines alternating waves of smooth muscle contractions that move food through the alimentary canal? O propulsion by peristalsis
O propulsion by defecation
O chemical digestion by peristalsis
O chemical digestion by defecation

Answer///blank (1) dea; ///drug enforcement agency;                                 blank(2) fda; // food and drug administration;

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. 

Vitamin d for sure for american adults