How do veins work in the circulatory system?
A.they carry blood away from the heart
B.they carry blood back to the heart
C. they transfer oxygen and nutrients to the different parts of the body
D.they remove waste products from the body
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How do veins work in the circulatory system?
A.they carry blood away from the heart
B.they carry blood back to the heart
C. they transfer oxygen and nutrients to the different parts of the body
D.they remove waste products from the body
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Answer:
B.
Explanation:
Veins are a type of blood vessel that return deoxygenated blood from your organs back to your heart. These are different from your arteries, which deliver oxygenated blood from your heart to the rest of your body. Deoxygenated blood that flows into your veins is collected within tiny blood vessels called capillaries.
Answer:
B. they carry blood back to the heart
Explanation:
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