What are the various sites in the skeletal system where bone marrow can be found?

Red bone marrow can be found it Flat bones, some flat bones are found in the hips, the breast, the skull, the ribs, the shoulder blades and vertebra. 

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. 

The answer is "false". improved balance is not a primary benefit  of regular cardiovascular exercise.