I might be wrong but i think its T
Answer:
Physical fitness, a state of health and well-being
is importtant because it helps us live healthy lives
Explanation:
Answer:
Fartlek, which means "speed play" in Swedish, is continuous training with interval training. Fartlek runs are a very simple form of a long distance run. Fartlek training “is simply defined as periods of fast running intermixed with periods of slower running