Your answer would be water , the body needs to have plenty of water
D. Large intestines
Hope this helps :)
The answer is the last option.) All of the above. When working out at a higher intensity, you burn more calories which can cause weight loss, increased heart rate giving you a stronger aerobic workout, and breathe more b=deeply due to the intensity of the workout.
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.