Answer: A.
Explanation:
Im pretty sure its A. Balance. All of them are important but balance is the main thing you'd need to know.
A teen's resting heart rate is 60 - 100 beats per minute.
The answer is the upper back muscles. Hope I helped!
John Smith was admitted to Memorial Hospital on June 6 and died while in the hospital, on June 10. The action taken on June 10 was an autopsy, I would say, but I am not completely sure.