Answer:
I would say stretching everyday. That is what makes more sense to me, but I could be incorrect.
Explanation:
If a person wasn't doing much physical activity before, I doubt they could just get up and do things two - four times a week. But, I also don't know your material.
The human body has 4 chambers (<span>two upper chambers (the atria)
and two lower ones (the ventricles).</span>
