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  2. Physiology of underwater diving - Wikipedia

    en.wikipedia.org/wiki/Physiology_of_underwater...

    The physiology of underwater diving is the physiological adaptations to diving of air-breathing vertebrates that have returned to the ocean from terrestrial lineages. They are a diverse group that include sea snakes, sea turtles, the marine iguana, saltwater crocodiles, penguins, pinnipeds, cetaceans, sea otters, manatees and dugongs.

  3. Sea turtle - Wikipedia

    en.wikipedia.org/wiki/Sea_turtle

    Sea turtles spend a majority of their time underwater, so they must be able to hold their breath for long periods. [57] Dive duration largely depends on activity. A foraging sea turtle may typically spend 5–40 minutes underwater [ 57 ] while a sleeping sea turtle can remain underwater for 4–7 hours.

  4. Turtle - Wikipedia

    en.wikipedia.org/wiki/Turtle

    Like other amniotes (reptiles, birds, and mammals) they breathe air and do not lay eggs underwater, although many species live in or around water. Turtle shells are made mostly of bone; the upper part is the domed carapace, while the underside is the flatter plastron or belly-plate.

  5. 32 fun facts about pet turtles - AOL

    www.aol.com/lifestyle/32-fun-facts-pet-turtles...

    Turtles, like other reptiles, breathe air, not water. They have lungs, not gills like fish, and so even if they live mostly in the water, they need to come up to the surface to breathe now and again.

  6. Human physiology of underwater diving - Wikipedia

    en.wikipedia.org/wiki/Human_physiology_of...

    Air-breathing marine vertebrates that have returned to the ocean from terrestrial lineages are a diverse group that include sea snakes, sea turtles, the marine iguana, saltwater crocodiles, penguins, pinnipeds, cetaceans, sea otters, manatees and dugongs. Most diving vertebrates make relatively short shallow dives.

  7. All About Sea Turtles: A Free Lesson Plan - AOL

    www.aol.com/lifestyle/sea-turtles-free-lesson...

    The sea turtle is one of the ocean’s most fascinating, ancient, and distinguished reptiles, renowned for its vital role in the marine ecosystem. With seven distinct species, sea turtles inhabit ...

  8. Marine reptile - Wikipedia

    en.wikipedia.org/wiki/Marine_reptile

    Hawksbill sea turtle (Eretmochelys imbricata) Sea turtles: there are seven extant species of sea turtles, which live mostly along the tropical and subtropical coastlines, though some do migrate long distances and have been known to travel as far north as Scandinavia. Sea turtles are largely solitary animals, though some do form large, though ...

  9. Enteral respiration - Wikipedia

    en.wikipedia.org/wiki/Enteral_respiration

    Various fish, as well as polychaete worms and even crabs, are specialized to take advantage of the constant flow of water through the cloacal respiratory tree of sea cucumbers while simultaneously gaining the protection of living within the sea cucumber itself. At night, many of these species emerge from the anus of the sea cucumber in search ...