Blue whale arteries are large enough for humans to swim through and their hearts are the size of cars.
12
Worker bees must visit around 4,000 flowers in order to make one tablespoon of honey.
5
A domestic cat can sprint at about 31 miles per hour.
274
Shark corneas are used in eye transplants and shark bone marrow can be used to graft human bones.
132
The first known contraceptive was crocodile dung, used by Egyptians in 2000 B.C.
79
Pet dogs and elephants are the only animals that seem to instinctively understand human gesture.
14