The Cardiovascular, Respiratory, and Digestive Systems

Front

What are the major organs of the cardiovascular system?

Back

The heart and blood vessels.

Front

What is the function of the heart?

Back

To pump blood throughout the body.

Front

What is the function of blood vessels?

Back

To transport blood.

Front

What are the four chambers of the heart?

Back

Right atrium, left atrium, right ventricle, left ventricle.

Front

What are the four valves of the heart?

Back

Tricuspid, bicuspid (mitral), aortic semilunar, pulmonary semilunar.

Front

Name the three layers of the heart wall.

Back

Epicardium, myocardium, endocardium.

Front

What is the role of the atria?

Back

Receive blood into the heart.

Front

What is the role of the ventricles?

Back

Pump blood out of the heart.

Front

Trace the flow of blood through the heart.

Back

Body → RA → RV → Lungs → LA → LV → Body.

Front

What initiates cardiac conduction?

Back

The sinoatrial (SA) node.