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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

    The systemic heart has muscular contractile walls and consists of a single ventricle and two atria, one for each side of the body. The blood vessels consist of arteries, capillaries and veins and are lined with a cellular endothelium which is quite unlike that of most other invertebrates. The blood circulates through the aorta and capillary ...

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

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

    The more scientists study octopuses, the more we learn how fascinating these creatures really are. Octopuses are incredibly intelligent, displaying all kinds of amazing behavior like completing ...

  5. California two-spot octopus - Wikipedia

    en.wikipedia.org/wiki/California_two-spot_octopus

    The California two-spot octopus (Octopus bimaculoides), often simply called a "bimac", is an octopus species native to many parts of the Pacific Ocean including the coast of California. One can identify the species by the circular blue eyespots on each side of its head. Bimacs usually live to be about two years old.

  6. Cephalopod limb - Wikipedia

    en.wikipedia.org/wiki/Cephalopod_limb

    Many octopus arm anomalies have been recorded, [13] [14] including a 6-armed octopus (nicknamed Henry the Hexapus), a 7-armed octopus, [15] a 10-armed Octopus briareus, [16] one with a forked arm tip, [17] octopuses with double or bilateral hectocotylization, [18] [19] and specimens with up to 96 arm branches.

  7. 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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  8. Hectocotylus - Wikipedia

    en.wikipedia.org/wiki/Hectocotylus

    The shape of the tip of the hectocotylus has been much used in octopus systematics. Many coleoids lack hectocotyli altogether. [6] Among Decapodiformes (ten-limbed cephalopods), generally either one or both of arms IV are hectocotylized. In incirrate octopuses, it is one of arm pair III. [6]

  9. Oprah Winfrey Reveals Why She Keeps a Whole Octopus in the ...

    www.aol.com/lifestyle/oprah-winfrey-reveals-why...

    Oprah Winfrey has been in the public eye for quite some time. So there are bound to be a few wild theories and ridiculous stories about the former talk show host floating around on the internet.