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The left atrium, right atrium, and two lower chamber called as the left and right ventricles make up the four chambers that make up the heart.

The tricuspid, pulmonary, mitral, and aortic valves are among its four valves. A signal is sent from the SA node to and Av node, which then delivers it to the AV bundle, its branches, and finally the Purkinje fibers. The left atrium, right atrium, and two lower chamber called as the left and right ventricles make up the four chambers that make up the heart.The heart contracts before the ventricles do thanks to the cardiac conduction system, which also assures that the heart would beat rhythmically. The atrium, an upper collecting chamber, and the ventricle, a lower pumping chamber, make up each half of the heart. The SA node, AV node, bundles of axons, left and right bundles branches, Purkinje fibers, and myocytes may all be remembered since A occurs before V.

(Correctly label the following internal anatomy of the heart.

a)fossa ovalis

b)pectinate muscles

c)left atrium

d)interventricular spectrum

e)right ventricle)

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