Great Britain, Spain, and New Zealand
Answer:
The “lub” is the first heart sound, commonly termed S1, and is caused by turbulence caused by the closure of mitral and tricuspid valves at the start of systole. The second sound,” dub” or S2, is caused by the closure of aortic and pulmonic valves, marking the end of systole.
Answer:
yes that's correct but what are we answering then?
Explanation:
The best category for each description is:
<h3>What is the description of a word or phrase?</h3>
The description of a term is an explanation which explains or describes a given term.
The complete description of the terms are as follows:
Abbreviations: is a shortened form of a single word, and may vary between workplaces.
Acronyms: is a word formed by using the first letter of other words, and has a standard meaning regardless of workplace.
In conclusion, abbreviations are non-standardized shortened words while acronyms are standardized shortened words.
Learn more about acronyms at: brainly.com/question/13795586
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