Internal Structure of the Heart

The distal end of the heart

• pericardium
• epicardium
• apex
• myocardium

inner layer of the pericardium

• parietal pericardium
• visceral pericardium
• myocardium
• endocardium

outer layer of the pericardium

• visceral pericardium
• parietal pericardium
• epicardium
• myocardium

The arteries that feed the heart muscle

• Capillaries
• Coronary
• Chordae teindineae
• Coronary sinus

After blood leaves the Right atrium it passes through the ________.

• right ventricle
• aortic valve
• av valve
• tricuspid valve

Blood may exit the heart through either ______ or ______ structures called the great vessels. 

• superior vena cava, inferior vena cava
• pulmonary trunk, aorta
• right ventricle, left ventricle
• pulmonary arteries, pulmonary veins

Name the part.

• Pulmonary vein
• Right atrium
• Aorta
• Pulmonary artery

Name the part.

• Left ventricle
• Vena cava
• Right atrium
• Right ventricle

Name this part.

• Superior vena cava
• Right ventricle
• Inferior vena cava
• Pulmonary vein

Name this part.

• Pulmonary veins
• Left atrium
• Aorta
• Pulmonary artery