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Still Waters

[Merged] How marine mammals hold their breath

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Scientists say they have solved the mystery of one of the most extreme adaptations in the animal kingdom: how marine mammals store enough oxygen to hold their breath for up to an hour.

The team studied myoglobin, an oxygen-storing protein in mammals' muscles and found that, in whales and seals, it has special "non-stick" properties.

This allowed the animals to pack huge amounts of oxygen into their muscles without "clogging them up".

http://www.bbc.co.uk...onment-22853482

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Scientists from the University of Liverpool have published research that explains how marine mammals, including seals and whales, hold their breath for so long.

The research reveals how the oxygen-storing capacity of mammals muscles has been changed by millions of years of evolution.

The videos above show how a highly trained free-diver compares in breath-holding ability to a common seal.

And here we explore some of the most extreme examples of breath-holding in the animal kingdom and how they match up with record-breaking human free-divers.

arrow3.gifView: Read more

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My pet conure holds his breath when he takes his bath lol

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