Plants are useful for many things.Some plants give us medicine.Other plants supply us with poisonSo that we can get rid of our teachers.Curare for example was developedBy South American indigenous peopleFrom the foliage of the Calebas.Macusi Indians graded their CurareAs One Tree Curare, Two Tree Curare ... and so on.To show how many trees a monkey could jumpBefore the Curare caused him to stop breathing.We would call our CurareOne Lesson Curare, Two Lesson Curare .... and so on.