Structures of the Heart

Which number is the pulmonary artery?

• 4
• 5
• 6
• 8

This layer encloses the heart

• myocardium
• pericardium
• endocardium
• epicardium

Blood enters the right atrium through 

• pulmonary veins
• inferior and superior vena cavas
• pulmonary arteries
• aorta

Oxygen-poor blood flows into what atrium? 

• left
• bottom
• right
• top

What structure of the heart is this?

• Right Atrium
• Right Ventricle
• Left Atrium
• Left Ventricle

What structure of the heart is this?

• Superior Vena Cava
• Inferior Vena Cava
• Right Pulmonary Vein
• Left Pulmonary Vein

What structure of the heart is this?

• Superior Vena Cava
• Inferior Vena Cava
• Right Pulmonary Vein
• Left Pulmonary Vein

What structure of the heart is this?

• Superior Vena Cava
• Inferior Vena Cava
• Right Pulmonary Vein
• Left Pulmonary Vein

What structure of the heart is this?

• Aorta
• Pulmonary Trunk
• Left Pulmonary Artery
• Right Pulmonary Artery

What structure of the heart is this?

• Aorta
• Pulmonary Trunk
• Left Pulmonary Artery
• Right Pulmonary Artery