Question

when do you want your heart rate to be up past your resting rate? when you are sitting calmly in a chair. when you are asleep. when you are working out.

Explanation:

When sitting calmly or sleeping, the body is at rest, so heart rate is at resting rate or lower. During a workout, the body needs more oxygen, so the heart pumps faster, increasing heart rate above resting rate.

Answer:

C. When you are working out.