5 Facts About Octopuses!

✓ An octopus has nine brains - one central brain and eight small brains - one in each hand - to help it think and move.

✓ It has three hearts - two hearts pump blood to the gills and the third one sends blood to the rest of the body.

✓ It uses copper to carry oxygen in its blood, which makes its blood blue.

✓ It can change its colour and texture within seconds to mix in with corals, rocks or sand.

✓ When it senses danger, it shoots out dark ink to confuse predators and escape.

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