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Arteries near the heart expand as blood rushes in after each contraction. Which component in the arteries allows this expansion?
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Arteries near the heart expand as blood rushes in after each contraction. Which component in the arteries allows this expansion?

User Stralos
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Step-by-step explanation:

This type of artery is known as an elastic artery .

Vessels larger than 10 mm in diameter are typically elastic. Their abundant elastic fibers allow them to expand, as blood pumped from the ventricles passes through them, and then to recoil after the surge has passed.

User Dyll Bro
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