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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Answer:
The most common credible sources are scholarly journals, conference papers and books because these have been peer-reviewed (read and approved for publication by other authors). However, there are good websites that can be used; generally ending in . gov / . edu / .
Explanation:
Types of Sources
Scholarly publications (Journals)
Popular sources (News and Magazines)
Professional/Trade sources.
Books / Book Chapters.
Conference proceedings.
Government Documents.
Theses & Dissertations.
websites all depend on what you want to know!
Hope this helps!