Ipresi t1_iuztw8y wrote on November 4, 2022 at 5:59 AM Reply to comment by coffee_collection in Why does resting heart rate lower as people get fitter? by CanGroundbreaking814 Your circulatory system also gets more efficient so blood can travel with less resistance. You get a better pump and plumbing so to speak. Permalink Parent 6
Ipresi t1_iuztw8y wrote
Reply to comment by coffee_collection in Why does resting heart rate lower as people get fitter? by CanGroundbreaking814
Your circulatory system also gets more efficient so blood can travel with less resistance. You get a better pump and plumbing so to speak.