From the prehistoric, our humanity had found a way to communicate or exchanging back and forth as well. That's is to build a group of people or organization in order to help each other and solve the neccesary problems. At first, we just called this is a group or a team which involves many members and individuals but later on, it became the society where all people had their own jobs and the rules were also set up. Society has the great impacts on the living standard of each households and the governments of each nations. Because of that, each countries is trying to improve the society to bring its best value to us.
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For an accurate measurement of cardiovascular activity, researchers typically: D) measure the number of heartbeats per minute.
<h3>What is cardiac cycle?</h3>
Cardiac cycle is a process that involves the complete heartbeat of the human heart, which comprises sequential alternating contraction and relaxation of the atria and ventricles, so as to cause blood to only flow in one direction throughout the human body during any cardiovascular activity.
As a general, researchers should typically measure the number of heartbeats of a person per minute, so as to ensure an accurate measurement of cardiovascular activity.
Read more on cardiovascular activity here: brainly.com/question/1578171
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<span>The two key qualities a group should have in order to classified it as a society might be culture and territory. So then, the study of sociology is to discover social principles and social reforms. People are tied to their social group that is why , one can talk about social integration within a determined group of people. <span>
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