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.
To see average car insurance rates for teens, see the following articles, that feature rates by age, state and gender: Car insurance for a 16 year old. Car insurance for a 17 year old. Car insurance for an 18 year old. Car insurance for a 19 year old. Age is just one factor that car insurance companies assess when deciding how much you pay.