Heart anatomy part 1

Front

What are the two main components of the cardiovascular system?

Back

Heart and blood vessels

Front

What is the function of the pulmonary vessels of the heart?

Back

Delivers blood to the lungs only for gas exchange

Front

Approximately what size is the human heart?

Back

The size of a fist

Front

What is the inferior end of the heart called?

Back

The apex

Front

What is the parietal pericardium?

Back

The outer layer of the pericardium, attached to the diaphragm, sternum, and vertebrae

Front

What is the function of the pericardial fluid?

Back

It reduces friction between the heart and pericardium

Front

What cavity ONLY contains the heart?

Back

Pericardial Cavity

Front

Which layer of the heart wall is the outer thick layer?

Back

Epicardium

Front

What is the name of the thin inner lining within the chambers of the heart?

Back

Endocardium

Front

What is the middle layer of the heart wall, composed mostly of cardiac muscle, called?

Back

Myocardium