Did you know that octopuses have three hearts? Two pump blood to the gills, where it picks up oxygen, and the third pumps it to the rest of the body. Interestingly, when they swim, the heart that delivers blood to the body actually stops beating, which is why these fascinating creatures prefer crawling over swimming!
Did you know that octopuses have three hearts? Two pump blood to the gills, where it picks up oxygen, and the third pumps it to the rest of the body. Interestingly, when they swim, the heart that delivers blood to the body actually stops beating, which is why these fascinating creatures prefer crawling over swimming!