Question

what is your heart rate called when you are sitting and doing nothing? maximum heart rate active heart rate target heart rate resting heart rate

Explanation:

The heart rate when a person is sitting and doing nothing is the resting heart rate. It represents the heart's rate of pumping blood when the body is at rest. The other options refer to heart - rates during activity (active heart rate), the highest achievable heart rate (maximum heart rate), and a desired heart rate for exercise (target heart rate).

Answer:

D. Resting Heart Rate