"Cephalopods have transparent blue, runny, copper-based blood that doesn't carry a lot of oxygen," he says.
"In order to maximise the amount of oxygen that could be carried by the hemocyanin in their blood, and to get their blood pressure high enough to pump blood to Wholesale Cigarettes Online high speed muscles, they Cheap Cigarettes Online USA evolved three hearts," he adds. "In our bodies our hearts pump blood in one loop around the brain and in another around the body.
"Cephalopods have a heart above each gill (known as branchial hearts) as well as a central (systemic) heart that pumps blood around the body."
The structure of their complex nervous system also maximises speed and efficiency - either for prey capture or for escape from danger.
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