Central nervous system - Structure. 1  The central nervous system consists of the two major structures: the brain and spinal cord. 2  Microscopically, there are differences between the neurons and tissue of the central nervous system and the peripheral nervous system. [citation needed]
They produced flour from the wheat they grew and sold it in other colonies or to Europe. These colonies were part agriculture and part industrial. Factories in Maryland produced iron and paper, textiles were produced in Pennsylvania factories. Lumber and shipbuilding industries also had success her.
Slaves were a big part of Colonial farming; they did most of the hard work on the fields and helped the mistress run the house in an orderly fashion. The first slaves were brought over from Africa in the mid-1500s.ignificance. Farming in Colonial times was different from farming today. Whether you were farming in New England in the 1500s, the middle colonies in the 1600s, or Southern colonies in the 1700s, there was a difference in what crops were grown.