Actually red blood cells do not have the longest life span of circulating blood cells-that would be differentiated memory B lymphocytes.RBCs actually have a relatively short circulating life span (about 4 months on average) because they lose their nuclei and most cellular organelles when they mature. red blood cell's life span is approximately 4 months. I am a Leukemia patient. Red Blood cells are being created all of the time, if they lasted 4 months, we would overdos â¦ e on them.
Health benefits of pears. 1  Pears fruit is packed with health benefiting nutrients such as dietary fiber, antioxidants, minerals, and vitamins, which are necessary for optimum health. Total measured antioxidant strength (ORAC value) in pears is 2941 Âµmol TE/100 g. 2  Pears are a good source of dietary fiber.
Itâs strange to think we need to be taught how to ripen pears. Donât plants do this sort of thing on their own, without busybody humans getting into their business? The thing is, pears are one of the only fruits that donât ripen on the tree/vine. A tree-ripened pear is mealy and mushy. So pears are best picked green. Many folks have come to believe that pears are picked green in order to truck here and there around the country without bruising them.