S30 A1.1 (Heart, circulation)

Front

Superior vena cava

Back

Carries deoxygenated blood from the upper body to the right atrium.

Front

Pulmonary artery

Back

Carries deoxygenated blood from the right ventricle to the lungs.

Front

Pulmonary vein

Back

Carries oxygenated blood from the lungs to the left atrium.

Front

Semilunar valve

Back

Located between the right ventricle and the pulmonary artery, and the left ventricle and the aorta.

Front

Atrioventricular valve

Back

Located between the atria and ventricles.

Front

Inferior vena cava

Back

Carries deoxygenated blood from the lower body to the right atrium.

Front

Aorta

Back

Carries oxygenated blood from the left ventricle to the body.

Front

Septum

Back

Separates the left and right sides of the heart.

Front

Left atrium

Back

Receives oxygenated blood from the pulmonary veins, then flows to the left ventricle.

Front

Left ventricle

Back

Receives oxygenated blood from the left atrium, then flows to the aorta.