The two upper chambers of the heart are called:

• ventricles
• atria
• valves
• blood vessels

The heart has _____ chambers 

• 1
• 2
• 3
• 4

Which order is correct? 

• Superior and inferior vena cavas into the right atrium through the tricuspid valve
• Superior and inferior vena cavas into the left atrium through the bicuspid valve
• right ventricle through the tricuspid valve into the right atrium
• body cells and tissues to the aorta through the aortic valve

The bottom chambers of the heart are called:

• ventricles
• atria
• vena cava
• valves

Name the vessel

• Superior vena cava
• Abdominal aorta
• Inferior vena cava
• Thoracic aorta

Name the groove

• Posterior interventricular sulcus
• Anterior interventricular sulcus
• interventricular septum
• interatrial septum

Name the vessel

• Inferior vena cava
• Superior vena cava
• Aorta
• Portal artery

Name the vessel

• Superior vena cava
• Inferior vena cava
• Aorta
• Left anterior descending artery

Name the valve

• Pulmonary valve
• Aortic valve
• Tricuspid valve
• Bicuspid valve

Name the structure along this pathway

• Sino-atrial node
• Atrioventricular node
• Atrioventricular bundle
• Purkinje fibers