The Amazing Octopus

Which animal has three hearts?

  • A. Komodo dragon
  • B. giraffe
  • C. cow
  • D. octopus

56% of players knew the correct answer: D., octopus

It's true: octopuses have three hearts. Two of the hearts work exclusively to move blood beyond the animal’s gills, while the third circulates blood to the organs. The third heart actually stops beating when the octopus swims, causing the animal to tire quickly, which is why they prefer to crawl.

Listen and learn more about today's topic with Murray and Tamika.

Question of the Day: The Amazing Octopus
How many hearts and brains does an octopus have? More than you and me. In this Flashcast, Murray and Tamika provide the answers, plus more fascinating facts about the animal.

To answer today's question, just ask your smart speaker: "What's the question of the day?"

Question of the Day Mobile App


Learn something new everyday. Get the Question of the Day delivered to your inbox each day!

You've successfully subscribed to Question of the Day
Great! Next, complete checkout for full access to Question of the Day
Welcome back! You've successfully signed in.
Success! Your account is fully activated, you now have access to all content.