Blood FlowThrough the

Heart

Right Lung Left Lung

Right Lung Left LungSuperior Vena Cava

Right Lung Left LungSuperior Vena Cava

Inferior Vena Cava

Right Lung Left LungSuperior Vena Cava

Inferior Vena Cava

Pulmonary Vein Pulmonary Vein

Right Lung Left LungSuperior Vena Cava

Inferior Vena Cava

Pulmonary Vein Pulmonary Vein

Aorta (Artery)

Aorta (Artery)

Right Lung Left LungSuperior Vena Cava

Inferior Vena Cava

Pulmonary Vein Pulmonary Vein

Aorta (Artery)

Aorta (Artery)

Pulmonary ArteryPulmonary Artery

Right Lung Left LungSuperior Vena Cava

Inferior Vena Cava

Pulmonary Vein Pulmonary Vein

Aorta (Artery)

Aorta (Artery)

Pulmonary ArteryPulmonary Artery

Right Atrium

Right Lung Left LungSuperior Vena Cava

Inferior Vena Cava

Pulmonary Vein Pulmonary Vein

Aorta (Artery)

Aorta (Artery)

Pulmonary ArteryPulmonary Artery

Right Atrium

RightVentricle

Right Lung Left LungSuperior Vena Cava

Inferior Vena Cava

Pulmonary Vein Pulmonary Vein

Aorta (Artery)

Aorta (Artery)

Pulmonary ArteryPulmonary Artery

Right Atrium

RightVentricle

Left Atrium

Right Lung Left LungSuperior Vena Cava

Inferior Vena Cava

Pulmonary Vein Pulmonary Vein

Aorta (Artery)

Aorta (Artery)

Pulmonary ArteryPulmonary Artery

Right Atrium

RightVentricle

Left Atrium

LeftVentricle

Lungs

Lungs

Pulmonary Veins

Lungs

Pulmonary Veins

Left Atrium

Lungs

Pulmonary Veins

Left Atrium

Left Ventricle

Lungs

Pulmonary Veins

Left Atrium

Left Ventricle Aorta

Lungs

Pulmonary Veins

Left Atrium

Left Ventricle Aorta Body

Lungs

Pulmonary Veins

Left Atrium

Left Ventricle Aorta Body Capillaries

Lungs

Pulmonary Veins

Left Atrium

Left Ventricle Aorta Body Capillaries

Veins

Lungs

Pulmonary Veins

Left Atrium

Left Ventricle Aorta Body Capillaries

Veins

Superior Vena CavaInferior Vena Cava

Lungs

Pulmonary Veins

Left Atrium

Left Ventricle Aorta Body Capillaries

Veins

Superior Vena CavaInferior Vena Cava

Right Atrium

Lungs

Pulmonary Veins

Left Atrium

Left Ventricle Aorta Body Capillaries

Veins

Superior Vena CavaInferior Vena Cava

Right Atrium

Right Ventricle

Lungs

Pulmonary Veins

Left Atrium

Left Ventricle Aorta Body Capillaries

Veins

Superior Vena CavaInferior Vena Cava

Right Atrium

Right VentriclePulmonary Artery