Browsing: hearts

Do all squid have three hearts? It’s a question that has been asked for many years and still remains one of the most fascinating mysteries…

Have you ever wondered who has a five chambered heart? It’s an incredibly rare condition, affecting only 0.1% of all congenital heart defects. 17-year-old Rima…

Have you ever stopped to think about how many hearts a giraffe has? Most animals, from humans to giraffes, have one heart, but not all…