To study the development of the unique American character, attitudes, and practices. The majority of colonists were the outcasts of Europe, most of whom were seeking economic, religious, and political freedom from the shackles of European governments.
Report Abuse. White blood cells live longer than red blood cells because they contain a nuclei while red blood cells do not. About 2 million red blood cells die off every second while 2 million more grow back at the same rate.I don't know if white blood cells are the longest living cells but there are many more cells.eport Abuse. White blood cells live longer than red blood cells because they contain a nuclei while red blood cells do not. About 2 million red blood cells die off every second while 2 million more grow back at the same rate.
A blood cell, also called a hematocyte, is a cell produced by hematopoiesis and is normally found in blood. In mammals, these fall into three general categories: 1  Red blood cells â Erythrocytes. 2  White blood cells â Leukocytes. 3  Platelets â Thrombocytes.latelets, or thrombocytes or yellow blood cells, are very small, irregularly shaped clear cell fragments (i.e. cells that do not have a nucleus containing DNA), 2â3 Âµm in diameter, which derive from fragmentation of precursor megakaryocytes. The average lifespan of a platelet is normally just 5 to 9 days.