The first choice because with rounded shoulders, your body is going to be tensed and won’t allow you to move as fast. If you put your hands on your chest, yes, your feeling your heart but you just don’t put your hands on your chest when running.
Feeding - consuming food or items to statisfy hunger.
importance -
1) maintaining proper body(prevent muscles and organs from wasting away)
functioning
2) For brain development
3) to gain energy for activities
My best guess would be D. many studies have linked cardiorespiratory exercise to the lowering of blood pressure. (Many studies have also linked going vegan to the lowering of blood pressure, too :)
