Fun Fact of the Day – Did you know an octopus has THREE hearts? And here’s the crazy part—one of them stops beating when it swims!
Here’s how it works: two hearts pump blood to the gills to grab oxygen—think of them as mini scuba refillers. Meanwhile the third (systemic) heart, sends that oxygen-rich blood to the rest of the body. But when an octopus swims, that systemic heart? It’s like, you guys got this right? and goes on break!
This is why octopuses prefer crawling—because walking doesn’t literally make their heart skip a beat.
Nature is full of incredible surprises like this. Next time you see an octopus, remember: three hearts, a love for crawling and one seriously unique biology. What should we dive into next? Let me know in the comments!