SCIENCE
CIRCULATORY SYSTEM
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Blood is carried back to your heart in little tubes called ____
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veins
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arteries
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hoses
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None of the above
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Explanation:
Detailed explanation-1: -Oxygen-poor blood returns from the body to the heart through the superior vena cava (SVC) and inferior vena cava (IVC), the two main veins that bring blood back to the heart.
Detailed explanation-2: -Two large veins that lead into the heart are the superior vena cava and inferior vena cava.
Detailed explanation-3: -In the anatomy of the heart, the smallest cardiac veins, also known as the Thebesian veins (for Adam Christian Thebesius), are small valveless veins in the walls of all four heart chambers that drain venous blood into any of the heart chambers.
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