Each tonsil consists of a network of crypts (pits) that store cells used to fight infection. The tonsils contain B cells, a type of white blood cell that fights infections. They also produce antibodies against polio, streptococcal pneumonia, influenza, and numerous other infections.
Global Warming: What's Up With The Weather? is a DVD presentation of the television special by NOVA and Frontline dealing with questions raised about modern climate change.
Quick Answer. The main difference between weather and climate is the measure of time. Weather refers to the short-term atmospheric conditions in an area, while climate represents the average daily weather over a relatively long period of time. Climate also includes statistics of weather extremes.