The lymphatic tissue includes the lymph nodes, spleen, tonsils, adenoids and the thymus (an organ in the chest that is particularly large during infancy). In medicine, a tissue is a broad term that is applied to any group of cells that perform specific functions. A tissue in medicine need not form a layer.
What is alarming is that the El Nino and the La Nina effects are now occurring with greater frequency and intensity which affects the rest of the world. The El Nino Phenomenon refers to an abnormal weather pattern that is caused by the warming of the Pacific Ocean.
The cool phase of ENSO is called  La Nina  niÃ±a WITH sst in the Eastern pacific below average and air pressures high in the eastern and low in Western. Pacific THE enso, cycle Both El nino NiÃ±o And, la nina niÃ±a causes global changes of both. Temperatures and rainfall mechanisms that cause the oscillation. remain under studyl Nino NiÃ±o Southern oscillation refers to the cycle of warm and cold, temperatures as measured by sea surface, TEMPERATURE, sst of the tropical central and Eastern Pacific. ocean