The human heart is unique. Here’s what it tells us about our evolution - https://www.zmescience.com/science/biology/the-human-heart-is-unique-heres-what-it-tells-us-about-our-evolution/

History of heart surgery - https://www.bbc.com/future/article/20200708-how-surgeons-learned-to-operate-on-beating-hearts

The heart may have its own “mini-brain”: a nervous system that controls heartbeat - https://www.zmescience.com/science/biology/heart-mini-brain-discovery-zebrafish-models/
