Notes: Intro to the Heart

What is the size of your heart?

• About the size of your fist

• The size of a basketball

• The size of your eyeball

• All of the above

What is the surface of the heart covered with?

• Myocardium

• simple squamous

• Pericardium

• All of the above

Order the layers of the pericardium from superficial to deep.

• Pericardial cavity

• Fibrous pericardium

• Visceral pericardium

• Parietal pericardium

Matching

• Thin layer. Lines heart chambers

• Epicardium

• Cardiac muscle for contraction

• Endocardium

• Layer of epithelial cells. Covers heart

• Myocardium

The pulmonary circuit carries blood from the heart to the body tissues and back, while the systemic circuit carries blood from the heart to the lungs and back.

• True

• False

What are the major blood vessels of the pulmonary circuit?

• Pulmonary trunk and pulmonary veins

• Aortic arch and descending aorta

• Ascending aorta and pulmonary trunk

• All of these are correct

The major vessels of the systemic circuit is the inferior and superior vena cava, as well as the aorta.

• True

• False