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.
White blood cells are produced by bone marrow within bone. Some white blood cells mature in the lymph nodes, spleen, or thymus gland. The life span of mature leukocytes ranges from about a few hours to several days. Lymphocytes-After neutrophils, lymphocytes are the most common type of white blood cell. 2  These cells are spherical in shape with large nuclei and very little cytoplasm. 3  There are three main types of lymphocytes: T cells, B cells, and natural killer cells.