Tag Archives: breathing problem challenge

Irregular heart beat detected in marine mammals like dolphins, seals

Scientists have detected high frequency of heart arrhythmias or irregular heart beats in bottlenose dolphins and Weddell seals during their deepest dives, indicating that¬†despite their remarkable adaptations to aquatic life, ¬†holding their breath remains a physiological challenge still. “This study changes our understanding of bradycardia (a marked reduction in heart rate) in marine mammals,” said lead author Terrie Williams, professor ...

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