Answer:
Most runners don't think of themselves as muscle-bound.
That's a term reserved for football players, weight lifters, or Charles Atlas when he kicks sand in the face of a skinny runner on the beach.
But the reality is that the human body has more than 600 muscles. We runners use most of them. And training sessions designed to recruit and strengthen our running muscles are the key to achieving top fitness.
<span>When a person is making cardiovascular gains through aerobic activity they are increasing the amount of oxygen to the heart and lungs. This actually keeps the heart and lungs of a person very healthy. It decreases the chance of heart diseases. I hope the answer has come to your help.</span>
She should ask a trusted adult of they know what happened to it.
