267 Followers. A. Many things can cause low oxygen levels in the blood. To name a few: Lung injury (collapsed lung); lung disease (COPD, lung cancer); pulmonary embolism; heart disease (congestive heart failure); anemias -- and that's just a handful I can think of off the top of my head.
Tea party. A tea party is a formal, ritualized gathering for the small meal called afternoon tea. Formal tea parties are often characterized by the use of prestige utensils, such as porcelain, bone china or silver. The table is made to look its prettiest, with cloth napkins and matching cups and plates.
Other parties, often called 3rd parties include Independent (neither right nor left), Conservative (middle-right), Green (middle-left), Working Families (far-left), and Communist (far-left). The TEA party is not an officially-recognized political party per se but more like a political-action group.