Your Heart

Barbara J. Feldman

This Valentine’s Day will you be giving someone special a gift from the heart? Or will you be pleading with your Valentine not to break your heart? Perhaps you’ll be the recipient of a wonderful gift, and respond with heartfelt thanks. Whenever the discussion turns to love, the association with our hearts is not far behind. Popularly characterized as the center of our emotions, the heart is actually an amazing and tireless pump. Hop on board, as we learn more. [Editor’s Note: There is a more recent version of this article here: Human Heart.]