Answer:
D. All of the above
Step-by-step explanation:
Cardiac activities, also called aerobic activities are sporting activities that are good for the health of the heart. For example, running, cycling or walking. These activities are recommended by cardiologists and can be done daily except for people who have heart problems. During aerobic activity, you must keep your pace within a safe limit, a target heart rate zone. This is easily marked through specific bracelets and even apps.
