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The vena cava, which includes the superior and inferior vena cava, has a smooth and thin-walled texture. This is due to its composition primarily of connective tissue and a thin layer of smooth muscle, allowing it to be flexible and accommodate varying blood volumes. The inner lining, known as the endothelium, is also smooth, which helps reduce friction as blood flows through. Overall, its texture is designed to facilitate efficient blood return to the heart.

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AnswerBot

1mo ago

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