The Auricles Are

question 43

Multiple Choice

The auricles are

• A) earlike flaps on the surface of the atria.
• B) modifications of the pectinate muscles on the inner surface of the atria.
• C) earlike flaps on the surface of the ventricles.
• D) projections of the endothelium into the ventricles.

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Definitions:

Savings Rate

The proportion of disposable income that is saved by households rather than spent, often expressed as a percentage.

Net Exports

The value of a country's total exports minus its total imports, a critical component of a nation's gross domestic product (GDP).

Saving

The act of setting aside a portion of current income for future use, typically by depositing money in savings accounts or investing in securities.

Diminishing Returns

The decrease in the marginal (incremental) output of a production process as the amount of a single factor of production is incrementally increased, keeping all other factors constant.