How do seals breathe in the water while they have lungs?
in Science+Technology by 1 3 11

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Seal breathe in oxygen before diving. They use oxygen already in their blood while underwater. They can normally stay underwater for as long as 30 minutes and then come out to breathe in oxygen again.
by 1
Thank you, for your answer. Do you know what is this technique of breathing by seal known?

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