Lung cancer
premature birth
heart disease
birth defects
black lungs <span />
Individuals should participate in Aerobic exercises to increase cardiovascular endurance. (There's more exercises than just running that can increase your cardiovascular endurance, aerobic is more of a group of activities that do such)
Answer:
heart bc it increases the heart rate
Stress is positive or negative depending on the circumstances and a negative reaction to outside influences.<span />
I believe Blood or Oxygen