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Heart/El Corazón

Heart/El Corazón

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Description:

This lesson will identify the major structures of the heart and define their specific role in the overall functioning of the heart.

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Tutorial

En esta lección vamos a hablar de las estructuras principales del corazón y sus papeles en el funcionamiento del corazón.

TERMS TO KNOW
  • Myocardium

    The muscular tissue that composes the heart.

  • Atrium

    The right and left upper chambers of the heart.

  • Ventricle

    The right and left lower chambers of the heart.

  • Atrioventricular Valve

    A valve that allows blood to flow from the atrium to the ventricle while preventing backflow of blood.

  • Pulmonary Valve

    A valve that allows blood to flow from the right ventricle to the pulmonary artery while preventing backflow.

  • Aortic Valve

    A valve that allows blood to flow from the left ventricle to the aorta while preventing backflow.

  • Aorta

    An artery that delivers blood to the systemic circuit.

  • Septum

    A wall of tissue that separates the right and left halves of the heart.

  • Superior Vena Cava

    A vein that delivers deoxygenated blood from the upper portion of the body to the right atrium.

  • Inferior Vena Cava

    A vein that delivers deoxygenated blood from the lower portion of the body to the right atrium.

  • Pericardium

    A fluid filled sac that surrounds the heart and provides protection and lubrication.