I’m gonna guess b. financial....i don’t actually know what course your taking,, can you tell me the course so i can give an accurate answer though
The ways and parts of humans. The structure. From molecules to bones.
Answer:
Wrist and chest Monitor
Explanation:
The wrist and Chest Monitor would be the most useful in determining whether you are staying within your target heart rate zone during a workout because during workout or any kind of activity to get the heart rate of an individual it is mostly gotten from the chest and wrist of the individual.
Calorimeter is used to measure the amount of calories in the body or the amount of calories burnt during workout of the individual while the wrist and chest monitor measures the heart rate.