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  2. Common octopus - Wikipedia

    en.wikipedia.org/wiki/Common_octopus

    The octopus has three hearts, one main two-chambered heart charged with sending oxygenated blood to the body and two smaller branchial hearts, one next to each set of gills. The circulatory circuit sends oxygenated blood from the gills to the atrium of the systemic heart, then to its ventricle which pumps this blood to the rest of the body.

  3. Octopus - Wikipedia

    en.wikipedia.org/wiki/Octopus

    An octopus (pl.: octopuses or octopodes [a]) is a soft-bodied, eight-limbed mollusc of the order Octopoda (/ ɒ k ˈ t ɒ p ə d ə /, ok-TOP-ə-də [3]).The order consists of some 300 species and is grouped within the class Cephalopoda with squids, cuttlefish, and nautiloids.

  4. California two-spot octopus - Wikipedia

    en.wikipedia.org/wiki/California_two-spot_octopus

    This octopus is named for the false eye spot (ocellus) under each real eye. These ocelli are an iridescent blue, chain-link circle, set in a circle of black. On its arms, the octopus possesses many "suckers" that it uses to taste. They have three hearts, two gills, blue blood, and a donut-shaped brain. [5]

  5. Find Out Why These Octopuses Throw Things at Each Other - AOL

    www.aol.com/why-octopuses-throw-things-other...

    Recently, scientists have witnessed a species of octopus, the gloomy octopus (Octopus tetricus), engaging in even more extraordinary acts than previously Find Out Why These Octopuses Throw Things ...

  6. 135 Interesting Facts for Kids and Adults to Blow Your Mind - AOL

    www.aol.com/135-interesting-facts-kids-adults...

    An octopus has three hearts. 97. One day on Neptune is only 16 hours long, while one day on Earth is 24 hours. 98. Buzz Lightyear’s original name was going to be Lunar Larry. 99. Giant pandas ...

  7. Cephalopod - Wikipedia

    en.wikipedia.org/wiki/Cephalopod

    Coleoids have two gill hearts (also known as branchial hearts) that move blood through the capillaries of the gills. A single systemic heart then pumps the oxygenated blood through the rest of the body. [53] Like most molluscs, cephalopods use hemocyanin, a copper-containing protein, rather than hemoglobin, to transport oxygen.

  8. World Cup Puzzles: Why Call It 'Soccer,' and How Does the ...

    www.aol.com/2010/07/11/octopus-has-1-in-128...

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  9. Abdopus aculeatus - Wikipedia

    en.wikipedia.org/wiki/Abdopus_aculeatus

    It has the common name algae octopus due to its typical resting camouflage, which resembles a gastropod shell overgrown with algae. It is small in size with a mantle around the size of a small orange ( c. 7 cm or 3 inches) and arms 25 cm (10 inches) in length, and is adept at mimicking its surroundings.