What are the upper chambers of the heart called?Multiple ChoiceatriaauriclesAV valvesventriclessepta

Which of the following is a chamber of the heart?*1 pointAortaVentricleAtriumVentricle and Atrium

What layer lines the chambers of the heart?Multiple ChoiceEndocardiumMyocardiumEpicardiumPericardium

Which valve is located between the left atrium and left ventricle?Multiple ChoiceAortic valveMitral valveTricuspid valvePulmonary valve

Which structure separates the right and left superior chambers of the heart? The mitral valve The interventricular septum The interatrial septum The pulmonic valve

Figure 2 shows a diagram of the human heart. Name the chamber labelled A.