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Circulatory System

Name: _________________________ Period: ____

Date: _________________
Across
Upper part of the vena cava
The number of chambers in the human heart
Gas carried by the arteries
Gas carried by the veins
Number of blood vessels
Smallest blood vessel
Area where blood picks up oxygen
Artery that takes blood to the arms
Part of the blood that provides an environment for all parts
A valve that separates the right ventricle from the pulmonary artery
Artery that takes blood to the brain
Valve that separates the left atrium and left ventricle
Down
Lower part of the vena cava
Largest artery in the body
Type of blood cell that fights pathogens
Type of blood cell that carries oxygen and carbon dioxide
First chamber to fill with blood rich in Carbon Dioxide
Vessels that bring blood back to the heart
Area where the blood branches into four directions to leave the heart
First chamber to fill with blood rich in Oxygen
Artery on the upper left taking blood to the shoulder area
Type of blood cell that helps blood clot
A valve that separates the right atrium and right ventricle
Largest vein in the body
Muscle that separates the heart into left and right side
Vessel that takes blood away from the heart