Fast-twitch muscles are red in color.

true
false

It's good to be in positive energy balance when you're  a.  a fully grown adult in good health.    b.  trying to deal with stress.    c.  recovering from the flu.    d.  beginning an exercise program

Mary is 14 year old her resting heart rate is 70 beats per minute. calculate 50% of mary's maximum heart rate to fine her target heart rate

In order to remain wellness the parts of the health triangle always need to be?