Shark corneas are used in eye transplants and shark bone marrow can be used to graft human bones.
132
An average cat has 1-8 kittens per litter and can have 2-3 litters per year. During her productive life, one female cat could have more than 100 kittens. A single pair of cats and their kittens can produce as many as 420,000 kittens in just 7 years.
10
The cat brain weighs about 30g.
167
Mosquitoes don't just bite you, they also pee on you.
11
Worker bees must visit around 4,000 flowers in order to make one tablespoon of honey.
5
When Koko, the gorilla famous for knowing sign language, was asked where gorillas go after death, she responded by signing “Comfortable hole, bye.”
23
A banana slug can be 6-8 inches and their erect penis can be just as long. Also, their penises emerge from their heads. After sex, banana slugs eat each others penises.
17