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Artificial gills are hypothetical devices to allow a human to be able to take in oxygen from surrounding water. This is speculative technology that has not yet been demonstrated. Natural gills work because most animals with gills are thermoconformers (cold-blooded), so they need much less oxygen than a thermoregulator (warm
John Rucker White (c. 1799 – 1872) was a plantation owner, farmer, and interstate slave trader working out of the U.S. state of Missouri in the 25 years prior to the American Civil War. He was primarily active in Missouri and Louisiana, but also trafficked in people from Kentucky and Virginia.
Artificial gills may refer to: Imitation gills put into stuffed fish for the sake of appearance in taxidermy; An inaccurate term for liquid breathing sets; Artificial gills (human), which extract oxygen from water to supply a human diver
A Business Insider video about preauricular sinus points out that evolutionary biologist Neil Shubin suspects "these holes could be evolutionary remnant of fish gills."
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Its cap is brown, convex, and has gills underneath. [1] The young mushroom develops a veil, which is lost as the mushroom grows to maturity. [ 1 ] The mushroom's stipe appears to be quite strong, and is anchored up to 1.6 feet (0.5 m) deep in sediment, in order to stand up to the fast-moving river currents where it is primarily found. [ 1 ]
Humans have many wonderful qualities, but we lack something that’s a common feature among most animals with backbones: a tail. Exactly why that is has been something of a mystery.
North of the Missouri River, the state is primarily rolling hills of the Great Plains, whereas south of the Missouri River, the state is dominated by the oak-hickory Central U.S. hardwood forest. Some of the native species found in Missouri are included below. [1] [2]