Multiple Choice QuestionWhere is the SA node located?Multiple choice question.interatrial septum near the ventriclesinterventricular septum between the ventriclesright atrium near the superior vena cava openingleft atrium near the pulmonary arteries openings

Which of the following structures is found between the right atrium and the right ventricle in a mammal?Multiple choice question.The SA nodeThe aortic valveThe bicuspid valveThe tricuspid valve

Fill in the Blank QuestionFill in the blank question.The portion of the cardiac conduction system located in the right atrium near the opening of the superior vena cava is the .

Which heart chamber is connected to (and receives blood from) the superior and inferior venae cavae?Multiple choice question.Left ventricleLeft atriumRight atriumRight ventricle

Which answer best describes the location of the atrioventricular node

The heart is located in the ______ and is ______ to the diaphragm.Multiple choice question.mediastinum; inferiormediastinum; superiorabdominal cavity; superiorthoracic cavity; inferior