Before doing physical activities it's always a good idea to stretch and after doing physical activities you should always cool your body down with some exercises.<span />
<span>Felicia just began running this past month, but since she continues to run the exact same route and exact same distance every day, she is growing board with her runs. This principle is known as D. reversibility</span>
depends what you want to do. But I would do vet because it pays. good :)