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The AV node is located?
The AV node is located in the lower part of the right atrium of the heart, near the septum. It functions as part of the heart's electrical conduction system, helping to regulate the timing of the heart's contractions. The AV node receives electrical impulses from the SA node and transmits them to the ventricles to coordinate the heart's pumping action.
What part of the heart's conduction system acts as the primary pacemaker?
The atrioventricular (AV) node which is located in the right atrium. From there is travels down the septum, also called the atrioventricular bundle, and then spreads to all parts of the ventricles via the Purkinje fibers.
What prevents blood frow from right atrium to left atrium?
Inter-atrial septum
The partition between the two thick walled lower chambers of the heart is called what?
septum
Do the interatrial septum separate the lower chambers of the heart?
The interatrial septum seperates the two upper chambers, namely the right atrium from the left atrium. It is the interventricular septum which seperates the lower chambers, namely the right ventricle from the left ventricle.
What structure divides the left atrium and left ventricle?
the septum divides the teo ventricles of the heart.
Is the artia separated by septum?
Yes, the atria of the heart are separated by a thin wall called the interatrial septum. This septum divides the right atrium from the left atrium, preventing the mixing of oxygenated and deoxygenated blood. The interatrial septum plays a crucial role in maintaining efficient blood circulation within the heart.
What separates the left ventricle from the left atrium?
The interatrial septum separates the left and right atria.
Where are the ligamentum arteriosum and the fossa ovalis located?
The ligamentum arteriosum is located between the aorta and the pulmonary trunk in the heart. The fossa ovalis is located in the interatrial septum of the heart, specifically in the right atrium.
What are the components of the cardiac conduction system?
The conduction starts at the pacemaker region called the Sinoatrial Node (SA node) which is just under where the superior vena cava enters the right atrium. From here the conduction passes to the Atrioventricular Node (AV node) which is just ot the right of the septum. From here the stimulation is passed through the Bundle of His which carries the conduction to the septum where two Bundle Branches pick it up. These branches carry the conduction to the base of the septum where they sperate into the Purkinje Fibres. These fibres carry the conduction all around the heart.
The upper chambers of the heart are separated by the?
The interatrial septum separates the left atrium from the right atrium (the atria are the upper chambers of the heart).
What is the thick wall of muscle between the left atrium and right atrium of the heart called?
The wall of muscle separating the right and left atria is the interatrial septum. The interventricular septum separates the right and left ventricles.
