Circulatory System Vocabulary

The _________ is one of the heart's four chambers.

• aorta

• vein

• artery

• atrium

The ____________ are the lower chambers of the heart.

• aortas

• ventricles

• atrium

• valves

The ____________ receive blood from veins.

• ventricle

• atrium

• valves

• bones

The ______________ pump blood through the arteries.

• valves

• aorta

• atrium

• ventricles

The superior and inferior vena cava________________.

• are capillaries that return oxygen-rich blood from the body to the lung.

• are arteries that return oxygen-poor blood from the body to the heart.

• are large veins that return oxygen-poor blood from the body to the heart .

• help fight infection.

The ____________ carries blood from the heart to the circulatory system.

• vein

• pulmonary artery

• pulmonary vein

• aorta

Arteries carry blood ________ the heart.

• to

• away from

A vein carries blood __________ the heart.

• away from

• to

The pulmonary artery carries blood from the _________ to the ___________.

• right/lungs

• left/lungs

• right/atrium

• left/atrium

The pulmonary vein carries blood from the ___________ to the _______________ atrium.

• heart/right

• lungs/right

• lungs/left

• heart/left