Shark corneas are used in eye transplants and shark bone marrow can be used to graft human bones.
132
One reason that kittens sleep so much is because a growth hormone is released only during sleep.
212
A dork is a whale's penis.
327
Sharks, like other fish, have their reproductive organs in their chests.
248
Whales and dolphins can't taste anything other than salt.
11
Dolphins have names for one another.
18