It breaks away the lung causing them to fail or even get cancer
Answer:
Endocrinology Im pretty sure, if im not right im sorry. :)
Explanation:
Physical activity is helpful for your heart muscle and also strengthens your immune system also good for your lungs and helps maintain your weight <span />
Intensity refers to the<span> rate at which the </span>activity<span> is being performed or the magnitude of the effort required to perform an </span>activity or exercise so <span>C. amount of energy exerted while performing an exercise. </span>
