The longest cell in the history of life « Why Evolution Is True - 1 views
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Lottie Peppers on 15 Sep 14One of my favorite "proofs" of evolution is the recurrent laryngeal nerve (RLN)-the nerve that innervates the larynx from the brain, helping us speak and swallow. It takes a very circuitous course, looping from the brainstem down around the aorta and then back up to the larynx. Here's its course in humans: