For other uses, see Atrium. The atrium (plural: atria) is a blood collection chamber of the heart. It was previously called the auricle, and that term is still used to describe this chamber in, for example, the Mollusca, but in humans that name is now used for an appendage of the atrium.
1 Adult children whose eligible parents have or had a USAA auto or property insurance product.*. 2  Widows and widowers of USAA members who have or had a USAA auto or property insurance policy. * Children must be 18 years or older to be eligible for USAA membership and purchase products in their own name.
USAA is a full-service financial company (they offer insurance, banking, and brokerage) for U.S. military members, veterans, and their families. According to the company, USAA was started in 1922 when a small group of Army officers decided to insure each othersâ cars when nobody else would.Today, USAA is kind of like the Costco of banking. You have to be a member, but membership gets you value and perks that people who go elsewhere donât enjoy.At Costco, you pay a fee for membership. With USAA, your membership is paid for by military service (either yours or a family memberâs).ccording to the company, USAA was started in 1922 when a small group of Army officers decided to insure each othersâ cars when nobody else would. Today, USAA is kind of like the Costco of banking. You have to be a member, but membership gets you value and perks that people who go elsewhere donât enjoy.