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Give reasons :(a)Ventricles have thicker muscular walls than atria.(b)Transport system in plants is slow.(c)Circulation of blood in aquatic vertebrates differs from that interrestrial vertebrates.(d)During the daytime, water and minerals travel faster throughxylem as compared to the night.(e)Veins have valves whereas arteries do not. |
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Answer» Answer: (a) ventricles have thicker MUSCULAR walls than artria (B) transport SYSTEM in plant slow(c) circle… ... system in plant slow(c) circulation of blood in aquatic vertebrata differs from ... (d) during the daytime water and mineral travel faster through xylem as compared to the night (e) VEINS have value ... Explanation: |
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