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Meta
How the odd path of the Laryngeal Nerve helps prove evolution
Posted by Pete Berg on Sunday, May 29th, 2011 at 4:11 pm
An interesting anomoly among animals is the path of the laryngeal nerve — a long nerve which connects the brain to the voicebox. While the two organs are only inches apart, and a direct path between the two would make far more sense from a design or engineering perspective, the nerve actually goes down the entire length of the animal’s neck, loops around a blood vessel near the heart, and then runs all the way back up to the larynx (voice box). This odd path can be explained by evolution — as Richard Dawkins demonstrates in this video clip, with a dissection of a giraffe and then a discussion of how this oddity evolved.
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| Category: Enlightening/Intellectual, Science | 1 Comment » |
Jim Cartwright says:
Hey Pete,
Thanks for the four minute video of a dead giraffe, you got us again.
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