Meh. The heart icon has nothing to do with the anatomical heart, but it represents love. Love has nothing to do with the anatomical heart. So, apart from the na

Meh. The heart icon has nothing to do with the anatomical heart, but it represents love. Love has nothing to do with the anatomical heart. So, apart from the name, they don't share any aspects; they're not workable drop-in replacements for each other.