Which animal has 32 brains and 300 teeth? Leech: The interior structure of a leech is divided into 32 different segments, each of which has its own brain.
Which animal has the most hearts? Octopuses or octopi (both are technically correct) are one of the most well-known animals with multiple hearts. There are hundreds of species of octopus, but all have three hearts: one heart to pump their blood throughout their circulatory system, and two to pump blood through their gills.
What animal has 9 hearts? But their circulatory system is just as unusual. The octopus has multiple hearts, and that fact can reveal secrets about their evolutionary history while also informing our understanding of how they manipulate their environments.
Do leeches have 32 hearts? It’s got two hearts, one on each side. The bulk of it is storage.” A fed leech can swell to up to five times its body weight. A small leech can expand eightfold. Carl sticks his finger in the water and a leech immediately appears.