need answers for the 4 question..
ls : transportation (the circulatory system)
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1) Valves prevent back flow of blood.
2) Mitral Valve is another name for Bicuspid valve.
3) The pulmonary artery valve Is present in Lung Capillaries.
4) Lung capillaries have valves so that the blood once pumped does not rebound.
Hope it helps :)
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