Which of the following terms refers to the number beats per minute the you aim to achieve during a workout 1. Resting heart rate
2. Target heart rate
3. Metabolic rate
4. Maximum heart rate

Maximum heart rate

Explanation:

The Maximum heart rate is the number of times your heart should beat per minute during physical activity.

answer: the first option is not an affect of aging. so the first option is the answer. (secondary sex characteristics appear)

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