Pathway of Blood

Front

Vein that empties blood from the upper body into the upper right heart chamber

Back

Superior Vena Cava

Front

The tricuspid valve, when open, allows blood to flow from the ____________ to the _______________.

Back

right atrium to the right ventricle

Front

Vein that empties blood from the lower body into the upper right heart chamber

Back

Inferior Vena Cava

Front

What blood vessel delivers deoxygenated blood to the lungs?

Back

Pulmonary artery

Front

Blood is pumped through the systemic circulation by the ___________.

Back

left ventricle

Front

What is the function of the aorta?

Back

The aorta carries oxygenated blood from the left ventricle to the rest of the body.

Front

What is the role of the pulmonary veins?

Back

Pulmonary veins carry oxygenated blood from the lungs to the left atrium.

Front

What is the function of the right atrium?

Back

The right atrium receives deoxygenated blood from the body through the superior and inferior vena cavae.

Front

What is the role of the left ventricle?

Back

The left ventricle pumps oxygenated blood into the aorta for distribution to the body.

Front

What is the purpose of the heart valves?

Back

Heart valves prevent the backflow of blood and ensure it flows in one direction.