Question

Is human circulatoey system open or closed . why ?

Answer 1

bhai answer toh bada hi assan hai......dekho ab iska assan answer in Assan language.....

see....human body has number of blood carrying vessels like artery , veins , capillary , aorta etc., which are spreaded in our entire body.....these blood vessels along with lymphatic vessels carry most of the material required for nutrition , excretion and mainly in short for metabolism.....so due to presence of these transport media ...human circulatory system is considered as closed....

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Answer 2

Human circulatory system is closed type because blood circulate through artery and veins (capillary) not circulate direct in our body.