Circulatory System and Respiratory System

Front

What is the main organ of the circulatory system?

Back

Heart

Front

What is the function of the diaphragm?

Back

It controls your breathing.

Front

What do valves in the heart do?

Back

They keep blood flowing in one direction.

Front

Where does blood enter the heart?

Back

From the superior and inferior vena cava.

Front

What is the role of the right atrium?

Back

It receives deoxygenated blood from the body.

Front

What is the role of the left atrium?

Back

It receives oxygenated blood from the lungs.

Front

What is the function of the aorta?

Back

It carries oxygenated blood from the heart to the body.

Front

What is the role of the pulmonary veins?

Back

They carry oxygenated blood from the lungs to the left atrium.

Front

What is the function of the right ventricle?

Back

It pumps deoxygenated blood to the lungs.

Front

What is the function of the left ventricle?

Back

It pumps oxygenated blood to the body.