From this passage, the reader can infer that ____.
University of British Columbia (UBC) researchers have discovered a unique nerve structure in the mouth and tongue of rorqual whales that can double in length and then recoil like a bungee cord. The stretchy nerves explain how the massive whales are able to balloon an immense pocket between their body wall and overlying blubber to capture prey during feeding dives. In humans, stretching nerves usually damages them. In these whales, the nerve cells are packaged inside a central core in such a way that the individual nerve fibers are never really stretched, they simply unfold.
Retrieved from: http://esciencenews.com/articles/2015/05/04/gigantic.whales.have.stretchy.bungee.cord.nerves
all whales have stretchy tongues
human tongues can double in length
tongue construction is important to these whales’ ability to survive
stretching would not damage a whale’s nerve cell fibers
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