A virgin forest is a forest where the hand of man has never set foot. All animals were here before mankind. The animals lived peacefully until mankind came along and made roads, houses, hotels, and condoms. Artificial insemination is when the farmer does it to the cow instead of the bull. Before giving a blood transfusion, find out if the blood is affirmative or negative.
Cadavers are dead bodies that have donated themselves to science.
This procedure is called gross anatomy. Clouds are high flying fogs. Clouds just keep circling the earth around and around. There is not much else to do. Cyanide is so poisonous that one drop of it on a dogs tongue will kill the strongest man.