Pleas explain what you are asking for
The answer would be : Chest strap
In order to monitor your Target heart Rate Zone, the most common method is by using a heart monitor (the portable device) to measure your heart rate during various types of activities. In order to keep the heart monitor in place during the your activities you could use a Chest Strap.
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Answer: number 2 or B
Explanation: the application of medical knowledge to the investigation of crime, particularly in establishing the causes of injury or death. that is the definition
Answer:
tell me the question I may answer it