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"Cross" Your Heart

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Four Pulmonary veins empty into this
Aortic Valve Nature of blood as it returns to the heart from the lungs
Inferior Vena Cava Separates the left ventricle from the aorta
Capillaries Vessel by which deoxygenated blood leaves the heart
Four Waste product of metabolism
Carbon Dioxide Smallest arteries in the body
Aorta Separates the right ventricle from the pulmonary artery
Left Ventricle Get larger as they approach the heart
Right Ventricle Empties into the lower portion of the right atrium
Arterioles Smallest veins in the body
Veins Organs that take in oxygen and give off carbon dioxide
Right Atrium Route by which oxygenated blood returns to the heart
Tricuspid Valve First chamber of the heart
Arteries Has two leaves or flaps
Arterioles Room air is 21% this
Pulmonary Artery Powerhouse of the heart...strongest of all chambers
Oxygen Capillaries drain into these small vessels
Left Atrium Tricuspid valve opens into this
Superior Vena Cava Place at which gas exchange occurs
Pulmonary Valve Vessels that empty into the capillary bed
Venules Nature of blood as it returns to the heart from the body
Pulmonary Vein Number of chambers in the heart
Deoxygenated Number of valves in the heart
Venules Get smaller as they get farther away from the heart
Lungs Empties into the top portion of the right atrium
Oxygenated Separates the right atrium from the right ventricle
Bicuspid Valve Largest artery in the body

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