How do animals without bones move?
May 30, 2019•6 min0
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Episode description
(May 30, 2019) Vertebrates get around by using their muscles to apply leverage to the bones. But how does an animal move when there are no levers, only muscles? Dr. Curt Stager and Martha Foley look at some boneless examples: the worm, the elephant's trunk, and the squid.
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