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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He was an Indian soldier who was heavily involved in the Indian Rebellion of 1857. He was viewed as a modern hero in India but the British saw him as only a traitor.
I believe the answer is: self fulfilling prophecy
Self fulfilling prophecy refers to the prediction that somehow makes itself become true/fulfilled. Other example would be when a person is inherently believe that he is somehow intellectually inferior and cannot do anything to improve their get. This often lead him to not making any efforts since he believes it pointless, which lead to self-fulfilling his initial opinion about himself.