increased metabolic rate and heart rate
B, because having high resistance builds your endurance and makes it stronger. Having low resistance isnt effective enough so cross those out, and high resistance with high steps is too much and can lead to damage
Answer:
A HIGHER LEVEL OF FITNESS ALLOWS YOU TO LIVE A LONGER, HEALTHIER LIFE. When you maintain a high level of cardiovascular health, the blood within your body will flow at its natural rate, and it will be able to reach all the body parts that require it.
Explanation:
