Discuss the changes the training produces on resting and sub-maximum heart rate, stroke volume, cardiac output, blood volume, and heart volume.

Which stage of stress includes the fight or flight response?

Ihave a really high metabolism and only weigh 70 pounds (13 almost 14). people always ask me two questions: do you ever eat and how do you eat so much and stay so skinny.i am worried that a high metabolism wont me forever. what are some safe steps i can take to maintain being fit. (also, i already work out i am a dancer so i get cardio a lot)

Khurshid is recovering from a heart attack. which type of rehabilitative care would she benefit from the most?