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2014-11-02T15:49:07+05:30

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Artery walls are strong and elastic.
Blood in the arteries flows with more pressure and by j e r k s. Hence, to withstand this pressure the tunica media in arteries is formed relatively thick, with smooth muscles and two elastic laminae.
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2014-11-02T18:08:14+05:30
arteies walls are thick because in arteries the blood reach with high pressure to receive it to all body cells .
                            plz mark it best
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