The Cardiac Muscle contracts about 70 times per minute
Answer:
I dont get it im confused about what you are asking for i dont know?
Answer: start by avoiding anything artificial, then pile on the green stuff, next keep a food journal, after that set healthy limits, lastly never let ur self get too full
Explanation:
Depends on how fast he runs in a sitting. If he runs slow during the 20 minutes he isn't getting much done :D.
