alleryStart learning →What is the name of the wall that separates the two atria?
AThe interventricular septum
BThe atrioventricular septum
CThe septum secundum
DThe interatrial septum
Answer & Solution
Correct answer: D. The interatrial septum
1. The heart's chambers are divided by named septa.
2. Between the two atria lies the interatrial septum.
3. Between the two ventricles is the separate interventricular septum, the main distractor here.
_Source: OpenStax Anatomy and Physiology (CC BY 4.0), Ch 19 "The Cardiovascular System: The Heart", section 19.1 Heart Anatomy_
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