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.
El Nino and La Nina are caused by the sea-surface temperatures in the tropical part of the Pacific Ocean interacting with the atmosphere. The cycle of the water temperature changing from warm to cold usually occurs every three to four years.This is known as oscillation.haracteristics of a La Nina Cycle... The large pool of warm water in the Pacific shrinks because the eastbound trade winds strengthen and carry the colder surface water from the east to the west. This reduces the overall temperature of the surface water.