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Even though apoptosis is programmed cell death, it plays an important role in the life of an organism. Apoptosis helps to form the overall body shape and the shape of organs. In the immune system, apoptosis plays an important role that eliminates aggressive immune cells. [http://www.nature.com/nature/insights/6805.html] | Even though apoptosis is programmed cell death, it plays an important role in the life of an organism. Apoptosis helps to form the overall body shape and the shape of organs. In the immune system, apoptosis plays an important role that eliminates aggressive immune cells. [http://www.nature.com/nature/insights/6805.html] | ||
Apoptosis plays an important role in immune system. Every person has white blood cells and red blood cells. If a person has more number of white blood cells than number of red blood cells, he will have a caner. If apoptosis plays its own role (programmed cell death), he will not have the cancer (follicular large-cell lymphoma). Unfortunately the white cells do not die, but they keep dividing. By dividing white blood cells, mutation occurs. | Apoptosis plays an important role in immune system. Every person has white blood cells and red blood cells. If a person has more number of white blood cells than number of red blood cells, he will have a caner. If apoptosis plays its own role (programmed cell death), he will not have the cancer (follicular large-cell lymphoma). Unfortunately the white cells do not die, but they keep dividing. By dividing white blood cells, mutation occurs. A person will eventually die from over population of white blood cells. (Purves, Sadava, Orians, Heller, p401) | ||
==Cell damage or Infection== | ==Cell damage or Infection== |
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