Shark corneas are used in eye transplants and shark bone marrow can be used to graft human bones.
132
A giraffe's kick is so powerful that it can decapitate a lion.
216
The Pistol Shrimp can snap its claws together to create a sound of 218 decibels, louder than as supersonic jet at full speed. It only lasts for 1 millisecond. The snapping action also creates a bubble that is greater than 5000 Kelvin, close to the surface temperature of the sun.
21
Penguins have a gland above their eye that turns saltwater into freshwater.
12
There's a lizard known as the 'Jesus Lizard' that can run across water.
11