This is just a little joke circulated around the science community that you may enjoy. All animals were here before mankind. The animals lived peacefully until mankind came along and made roads, houses, hotels and condoms.
Men are mammals and women are femammals.
Proteins are composed of a mean old acid. The largest mammals are to be found in the sea because there is nowhere else to put them. Involuntary muscles are not as willing as voluntary ones. Methane, a greenhouse gas, comes from the burning of trees and cows. The spinal column is a long bunch of bones.