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.
Although both La Nina and El Nino are phenomena possibly caused by global warming, they both are two different conditions that occur in the ocean surface temperature across the central and eastern tropical Pacific.t means La Nina occurs due to the fact that the surface of the ocean has its temperature reduced by few Celsius below normal. One of the important differences between La Nina and El Nino is in connection with the frequency of their occurrence.