Answer- a smart goal is giving criteria to guide in the setting of objectives
partB- it's important to set these up for seeing how much your consuming
According to verywellfit “Cardio exercise simply means that you're doing a rhythmic activity that raises your heart rate into your target heart rate zone, the zone where you'll burn the most fat and calories.”
Currently mine is 73! Most experienced athletes have lower than average resting BPMs. Healthy and skilled athletes have an average of 40 BPM. Hope this helped!