BLOOD CARDIOVASCULAR SYSTEM LYMPHOID ORGANS
CARDIOVASCULAR SYSTEM
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 Question 
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 Blood that leaves the heart and is heading to the lungs is traveling through the ____ 
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  pulmonary arteries 
 
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  pulmonary veins 
 
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  superior vena cava 
 
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  inferior vena cava 
 
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 Explanation: 
Detailed explanation-1: -The blood enters the heart’s right atrium and is pumped to your right ventricle, which in turn pumps the blood to your lungs. The pulmonary artery then carries the oxygen-poor blood from your heart to the lungs. Your lungs add oxygen to your blood.
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