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    • Ventricular Fibrillation (V-Fib): What to Know

      Ventricular Fibrillation (V-Fib): What to Know

      Verywell Health via Yahoo News· 7 months ago

      Ventricular fibrillation, called V-fib or VF, is an extremely dangerous arrhythmia. V-fib results in cardiac arrest within seconds and death soon after...

    • How many hearts does an octopus have?

      How many hearts does an octopus have?

      Live Science via Yahoo News· 1 year ago

      Three divers looking at a Giant Pacific Octopus (Enteroctopus dofleini) in the Sea of Japan. Three divers looking at a Giant Pacific Octopus...