Answer:Beliefs, lifestyles, political structure, social structures.
Explanation:
<span>__________class_____ distinctions operate in virtually every aspect of our lives, determining the nature of our work, the quality of our schooling, and the health and safety of our loved ones.</span>
<span>Trained athletes tend to have "low" heart rates and "high" stroke volumes than non athletes at rest..
</span>
Athlete's hearts are in reality more productive or efficient and along these lines don't need to function as hard as a non-athlete. An athlete has a bigger stroke volume which implies that they don't need to pump as frequently to accomplish the required cardiovascular yield. Aerobic training brings down the heart rate and expands stroke volume without changing cardiovascular yield at rest or for a given exercise power speaking to an economization of heart function.
