Rechter Vorhof

The video tutorial provides an in-depth look at the anatomy of the heart, focusing on the right atrium and its associated structures. It explains the flow of oxygen-poor blood through the superior and inferior vena cava into the right atrium, and the role of the tricuspid valve in directing blood flow to the right ventricle. The tutorial also covers the unique features of the heart's auricles, including their potential function as reserve spaces and the presence of comb-like muscles. The video concludes with a discussion on the Christa Terminalis, a muscle bar where different atrial surfaces merge.

What is the function of the superior and inferior vena cava in the heart?

• They regulate the heartbeat.

• They separate the left and right atria.

• They collect oxygen-poor blood from the body.

• They pump oxygen-rich blood to the body.

What role does the tricuspid valve play in the heart?

• It pumps blood into the pulmonary artery.

• It regulates the flow of oxygen-rich blood.

• It separates the left atrium and left ventricle.

• It prevents blood from flowing back into the right atrium.

Which structure collects blood from the heart veins?

• Aorta

• Sinus coronarius

• Inferior vena cava

• Superior vena cava

What is the Auricula Cordis Dextra?

• A vein in the pulmonary circulation

• A heart ear in the right atrium

• A muscle in the right ventricle

• A valve in the left heart

What is the function of the pectin atti muscle?

• To regulate the flow of blood in the aorta

• To separate the atria from the ventricles

• To pump blood into the ventricles

• To line the inner surface of the right heart ear