High pressure in the lymphatic vessels, contraction of the tunica media, and elastic recoil of connective tissues in the vessel walls push lymph through the vessels. valves in the lymphatic vessels push lymph toward the heart. gravity keeps lymph flowing toward the heart contraction of surrounding muscles and pulsing of adjacent arteries move lymph through lymphatic vessels toward the heart.
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High pressure in the lymphatic vessels, contraction of the tunica media, and elastic recoil of conne...
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