Target Heart Rate: is the maximum number of times your heart should beat per minute during exercise.
A) is for RHR (Resting Heart Rate) it is when you wake up.
D) You can't purchase your heart rate at a target store
C) is the correct answer because B) your target heart rate can be for ANY activity.
1) identifying health risks early on before they become worse and more difficult to treat.
2) Discussing positive life-style changes with your doctors including giving up smoking, losing weight and taking more exercise.