#oxygen

[glitterypin]

The Doctor, in a nutshell.

[julielilac]

[mindblowingscience]

Naked Mole-Rats Prefer Low-Oxygen Air That Would Kill Most Mammals, Adding to Their List of Death-Defying Superpowers

These underground rodents are the first mammals found to actively choose air with lower-than-normal oxygen levels. Their remarkable ability

The breath you just took contains about 21 percent oxygen. But if you were in a chamber with no influx of fresh air, the oxygen level would slowly diminish. If it got to about 15 percent, you’d feel a little off—light-headed, with your heart laboring a bit faster. At 11 percent, you might feel a rising panic, become nauseated and lose the ability to think coherently. Below 10 percent, loss of consciousness, brain damage and death would follow within minutes. Meanwhile, under these oppressive conditions, the naked mole-rat, a nearly hairless and almost-blind rodent from eastern Africa, would be happily going through its daily routine of digging tunnels or sleeping in a massive mole-rat pile.

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[pangeen]

" Crisp Colors " // © John Derting

[elementcattos]

[sandman26]

Alice's CA drama comes to a conclusion. Pulse and breathing restored, an oxygen mask is placed over her nose and mouth and she begins to slowly come to.

Credit: Digital O2, "Alice - Fit Test"

[unbfacts]

The Bajau people of Southeast Asia have spent generations diving for food, and their bodies may have adapted to ocean life. A 2018 Cell study found that Bajau people had spleens about 50% larger than nearby land-based Saluan people. A bigger spleen can release more oxygen-rich blood during a dive, like a tiny backup scuba tank.