Descriptions of Pleural cavity. Pleural cavity: The space enclosed by the pleura, which is a thin layer of tissue that covers the lungs and lines the interior wall of the chest cavity. Source: National Institute of Health. Pleural cavity: the cavity in the thorax that contains the lungs.
These and other retirement income streams produced an average income of $31,742 for people age 65 and older in 2012, according to a recent AARP Public Policy Institute analysis of Census Bureau data. Here's how older Americans are paying their bills in retirement:
What the typical retired worker gets. The mainstay of the Social Security system is the retired worker. With almost 40 million retirees taking benefits on their own work records, this Social Security benefit makes up more than 70% of the total money that the SSA pays out in benefits. The average retired worker received $1,340 in the most recently reported month, according to the SSA.