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becuase it does
Dejah Walter
Wiki User
∙ 13y agoBecause the muscle helps move the blood along and maintain blood pressure.
By Contracting, blood pressure is maintained, and through peristalsis the blood is moved.
peristalsis is the rhythmic contraction of muscle. The muscle inside arteries helps move blood the same way the esophagus moves food down to the stomach, by contracting rhythmically to push the food.
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