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.”
D is not a true statement they do receive taxes I hope this helps
Answer:
A
Explanation:
they are not personal/internal issues and they do not fit into the other catigories
If it cannot perform basic or normal tasks is has reached an unsafe level of fatigue
