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Veins are thin walled and have …

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Veins are thin walled and have valves. Justify.

    • Posted by Sehaj Kaur 2 years, 11 months ago

    CBSE > Class 10 > Science
    • 1 answers

    Pankaj Kumar Patel 2 years, 11 months ago

    Veins have thin wall because the blood there is no longer under pressure and also they have valve which helps in blood in one direction .

    2Thank You

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