What would be a particularly good stretching exercise to do before going on a run?
a.
the calf stretch
b.
shoulder bends
c.
the torso stretch
d.
the chest-and-arm stretch

Calf stretch 
because you run with your legs those are the ones that move so why would you stretch your arms?

Ofator que afeta o bem estar e o fator mental

Whats important is to eat healthy food to prevent heart disease. another why not to get heart disease is to always exercise in a timely manner. lastly, always stay active and go to the doctor for checkups just in case.