False. You should incorporate many different areas of fitness. You may focus on running, but you should try other things like yoga, cross fit, etc. This can help you keep all parts of your body fit and healthy.
I hope this helps!
I believe your answer is d. Derek is hungry or needs to have his diaper changed.
Option c could be correct but option d seems more likely
I hope this is the answer you're looking for and good luck.
One statement about rest and physical that is not true is Matt capps
The answer to your question is Option B (YOGA)..