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Why Don't Sharks Have Bones?

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Danielle
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Eat facts, Shark Week! Hank takes you on a tour of the shark’s amazing anatomy, including the many adaptations that made it a great predator -- despite not having any bones.
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Credits:
Hank Green - Executive Producer / Host / Writer
Blake De Pastino - Chief Editor
Caitlin Hofmeister - Producer
Stefan Chin - Graphics
Louey Winkler - Camera
Sarah Meismer - Editor
Michael Aranda - Script Supervisor

Sources:
The Mechanical Behavior of Shark Skin -
Importance of Cartilage -
FISH TO TETRAPODS -
Leydig’s Organ -
Chondrychthyes -
Osteichthyes -
Evolution of Fish -
Category
Documentary
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