Answer:
Ten minutes after you stop exercising, your heart rate should return to normal
Explanation:
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A bag valve mask (BVM), sometimes known by the proprietary name Ambu bag or generically as a manual resuscitator or "<em>self-inflating bag</em>", is a hand-held device commonly used to provide positive pressure ventilation to patients who are not breathing or not breathing adequately.
The common use is for drug references
