Diving mammals store oxygen in muscles to stay submerged
The article cites scientists noting how emperor penguins and sperm whales dive long without air. Myoglobin in muscles stores oxygen much more efficiently in aquatic mammals, enabling Weddell seals and emperor penguins to hold breath far longer than humans. Deepest dives include emperor penguin about 500 meters, Weddell seal 500, leatherback turtle 1000, northern elephant seal 1500, and sperm whale about 2000 meters.
MENTIONED IN THIS ARTICLE
American Scientist
Houdini
Pressure and depth: how seals, whales handle deep dives
Deep-diving mammals avoid the bends by collapsing lungs and relying on stored oxygen in muscles. Seals and sperm whales show no rise in blood nitrogen levels at great depths while emperor penguins tolerate extreme pressures through adaptations, enabling them to dive to 500 meters and beyond.
Astrological Weekly Guide Teases Shifting Energies
A sun sign forecast outlines Taurus to Pisces with prompts on spending, travel, communication, and creativity. It notes career ties, vacation urges, and relationship talks while urging patience during personal changes and urging calm in love matters as Neptune retrogrades.
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Venus Sextile
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