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How many hearts does the cuttlefish have?

Asked: Daniel Larochelle, Last Updated:

Three hearts The cuttlefish's pair of orange gills (one appears above) filter oxygen from seawater and deliver it to the bloodstream. The cuttlefish has three hearts, with two pumping blood to its large gills and one circulating the oxygenated blood to the rest of its body.

FAQ

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    3 Great Lures For Fishing In Muddy Water

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    3. Vibrating Jig.

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    DNA from the invasive and destructive asian carp has just been detected within 6 miles of Lake Michigan, past the electronic barrier on the Chicago Ship and Sanitary Canal that was designed to prevent the carp from entering the Great Lakes from the Mississippi River system.

  • Can I eat out of date tinned mackerel?

    Yes, provided it is properly stored and the can is undamaged - commercially packaged mackerel will typically carry a "Best By," "Best if Used By," "Best Before", or "Best When Used By" date but this is not a safety date, it is the manufacturer's estimate of how long the canned mackerel will remain at peak quality.

  • Do razor clams swim?

    The name "razor clam" is also used to refer to different species such as the Pacific razor clam (Siliqua patula) or Razor shell (Ensis magnus). ... Its streamlined shell and strong foot allow Jacknife clams to burrow quickly in wet sand. Jacknife clams are also able to swim by propelling jets of water out of their shells.

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    Nov 2, 2010

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