The blood vessels are an important part of the cardiovascular system. They connect the heart to every cell in the body. Arteries carry blood away from the heart, while veins return blood to the heart.
CK-12 (Middle School)
What role do blood vessels play in the cardiovascular system?
RST.2 - Main Ideas, RST.4 - Key Terms
DEPTH OF KNOWLEDGE (DOK) LEVELS:
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