Anatomy Chapter 12: The Heart

Front

The heart lies in the

Back

mediastinum.

Front

The wall between the atria is the

Back

interatrial septum.

Front

The loose-fitting sac around the heart is lined by the

Back

parietal pericardium.

Front

The innermost layer of the heart wall is the

Back

endocardium.

Front

The functions of the venae cavae include which of the following?

returning blood to the atria , preventing expansion of the heart , removing excess fluid from the heart chambers , anchoring the heart to surrounding structures 

Back

returning blood to the atria 

Front

Blood returning from the systemic circulation enters the

Back

right atrium.

Front

The right ventricle pumps blood to the

Back

lungs.

Front

Blood is carried away from the heart by

Back

arteries.

Front

The left atrium receives blood from the

Back

pulmonary veins.

Front

Blood vessels in the cardiovascular system are subdivided into the

Back

systemic and pulmonary circuits.