Funny story - just the other day my 4 year old daughter was wondering if the hearts in our bodies looked like the shape she knew as a "heart" because it didn't

Funny story - just the other day my 4 year old daughter was wondering if the hearts in our bodies looked like the shape she knew as a "heart" because it didn't look that way in the Magic Schoolbus episode she'd just watched about Ms Frizzle's vascular system (where the heart was depicted in a more-or-less anatomically correct manner). It was an adorable moment.