Summary The Circulatory System

Circulatory system
• The circulatory system consists of the heart and
blood vessels which send oxygen to all parts of
the body and remove waste from organs and
tissues.
Deoxygenated Blood
Oxygenated Blood
Heart Chambers
Aorta
Superior
Vena Cava Left
Pulmonary
Right Pulmonary Artery
Artery
Pulmonary
Veins (Right Pulmonary
Lung) Veins (Left
Lung)
Right
Atrium Left Atrium
Tricuspid Bicuspid
Valve Valve
Right Aortic
Ventricle Valve

Inferior Pulmonary Left
Vena Cava Artery Valve ventricle

, Arteries & Veins
ARTERIES
• Carry blood away from the heart.
• Usually carry oxygenated blood.
• Exception: Pulmonary arteries carry
deoxygenated blood to the lungs.
VEINS
• Carry blood to the heart.
• Usually carry deoxygenated blood.
• Exception: Pulmonary veins carry oxygenated
blood back to the heart from the lungs.