Verified Answer :

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Final answer:

Veins maintain circulation through rhythmic and skeletal muscle contraction along with one-way valves, preventing backward blood flow and aiding in blood return to the heart.


Explanation:

Veins maintain circulation primarily through the rhythmic movement of smooth muscle and skeletal muscle contraction. The one-way valves in veins prevent blood from flowing backward, ensuring proper blood flow toward the heart. This mechanism is known as the skeletal muscle pump, which helps counteract gravity and facilitates blood return to the heart.


Learn more about circulation in veins here:

https://brainly.com/question/12488431


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