|Lymphatic tissue is portion of the body immune system. It helps to keep away from bacteria and foreign entities. Lymphatic tissue contains lymph nodes, spleen, tonsils, thymus and adenoids. Lymphatic system working condition carried out by lymphatic tissue. It is portion of the immune system. The purpose of lymphatic system is to exhausting interstitial fluid, carrying dietary fluids and guarding the body against infections. High-impact journals are those considered to be highly influential in their respective fields. The impact factor of journal provides quantitative assessment tool for grading, evaluating, sorting and comparing journals of similar kind. It reflects the average number of citations to recent articles published in science and social science journals in a particular year or period, and is frequently used as a proxy for the relative importance of a journal within its field. It is first devised by Eugene Garfield, the founder of the Institute for Scientific Information. The impact factor of a journal is evaluated by dividing the number of current year citations to the source items published in that journal during the previous two years.