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19 terms

Circulatory System

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What does the circulatory system import?
O2 and nutrients
What does the circulatory system export?
CO2 and waste
What does the circulatory system maintain?
body temperature (homeostasis)
What does the circulatory system fight against?
disease
What are the main structures of the circulatory system?
blood, heart, blood vessels
What is the function of the superior vena cava?
carries the deoxygenated blood from the upper body to the heart
What is the function of the inferior vena cava?
carries the deoxygenated blood from the lower body of the heart
What is the function of the right atrium?
collects deoxygenated blood from the body and pumps it to the right ventricle
What is the function of the tricuspid valve?
prevents back flow of deoxygenated blood to the right atrium
What is the function of the right ventricle?
pumps deoxygenated blood to the pulmonary arterties
What is the function of the pulmonary valve?
prevents back flow of deoxygenated blood to the right ventricle
What is the function of the left and right pulmonary artery?
carries deoxygenated blood to the lungs from the heart
What is the function of the left and right pulmonary veins?
carries oxygenated blood to the heart from the lungs
What is the function of the left atrium?
collects oxygenated blood from the lungs and pumps it to the left ventricle
What is the function of the bicuspid valve (mitral)?
prevents back flow of oxygenated blood to the left atrium
What is the function of the left ventricle?
pumps oxygenated blood to the body
What is the function of the aortic valve?
prevents backflow of oxygenated blood to the left ventricle
What is the function of the aorta?
carries oxygenated blood out to the rest of the body
What is the function of the septum?
divides the left and right sides of the heart, keeping the deoxygenated and oxygenated blood separate