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प्रश्न
Distinguish between the following pair on the basis of words indicated in the bracket ( ):
Arteries and Veins (Wall and lumen)
फरक स्पष्ट करा
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उत्तर
Arteries have thick muscular walls and narrow lumen.
Veins have thin muscular walls and under lumen.
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या प्रश्नात किंवा उत्तरात काही त्रुटी आहे का?
पाठ 8: The Circulatory System - Review Questions [पृष्ठ ११३]
