1 The spleen is the largest organ of the lymphatic system. 2  Its primary function is to filter blood of damaged cells, cellular debris, and pathogens. 3  Like the thymus, the spleen houses and aids in the maturation of lymphocytes. 4  Lymphocytes destroy pathogens and dead cells in the blood.he lymphatic system plays a vital role in the proper functioning of the body. One of the major roles of this organ system is to drain excess fluid surrounding tissues and organs and return it to the blood. Returning lymph to the blood helps to maintain normal blood volume and pressure.
More Americans believe aliens have visited Earth than believe that Jesus is the Son of God. According to a National Geographic survey, 77 percent of all Americans believe there are signs that aliens have visited Earth, and according to a recent Harris poll only 68 percent of all...
âI would say that nearly all are benign and benevolent and they do want to help us, there may be one or two species which do not,â he said. Hellyer, 90, first went public with his belief in aliens on earth in 2005 and he is the first high ranking politician to publicly state that aliens are real. He adds that the aliens have 'been visiting our planet for thousands of years' and are rather unimpressed with how we live.