ANATOMY
CHEST AND CARDIOVASCULAR
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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essential; very important
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effective
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preventive
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prevalent
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key
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Explanation:
Detailed explanation-1: -1 momentous, vital, essential, significant.
Detailed explanation-2: -imperative. important. indispensable. life-or-death.
There is 1 question to complete.