THE BODY——HEART

THE CIRCULATERY SYSTEM:

heart _arteries_capillaries_veins_heart.

THE SYSTEMIC CIRCULATION:

When the ventricle contracts the blood from the left ventricle to the aorta come back to the right atrium in the end.

THE PULMONARY CIRCULATION:

The blood from the right ventricle to the pulmonary frist.Then it to the pulmonary vein.At last, it come back to the left atrium.

Arteries:go away the heart.

Veins:come back to the heart.

Atrium:recive the blood

Ventricle:pump the blood