The Blue Whale's tongue weighs more than an adult elephant!
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Shark corneas are used in eye transplants and shark bone marrow can be used to graft human bones.
132
An elephant's tooth can weigh as much as 12 pounds.
24
Dogs have been man's pet for over 14,000 years.
224
Female canaries cannot sing.
14
Giraffes are unable to cough.
50
A crocodile cannot stick out its tongue.
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