Shark corneas are used in eye transplants and shark bone marrow can be used to graft human bones.
132
Sharks, like other fish, have their reproductive organs in their chests.
248
Meysi is one of the world's smallest dogs, measuring in at just 7cm tall, 12cm long, and weighing a meagre 250 grams (only slightly heavier than a hamster!)
11
The oldest recorded elephant lived for 82 years.
213