Essay on Frog Dissection: Nursing Management, History of Business and Economics 104. A professional essay writing service is an instrument for a student who is pressed for time or does not speak English as a first language. In many classrooms around the world, dissection is a standard activity and serves as an introduction to the practice that has brought many medical advances. While GCSE level students normally dissect small animals like a frog or rat, or parts of larger animals like a pig's heart, a cow's liver or a sheep's lung, those from the upper level,