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What allows blood to travel back to the heart

2 Answers

3 votes

Answer:

The veins take oxygen-poor blood back to the heart.

User Ehud Banunu
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10 votes

Answer:

The arteries (red) carry oxygen and nutrients away from your heart, to your body's tissues. The veins (blue) take oxygen-poor blood back to the heart. Arteries begin with the aorta, the large artery leaving the heart. They carry oxygen-rich blood away from the heart to all of the body's tissues.

User Qiaochu Yuan
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