Question

give perfect answer.....
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Answer 1

respiratory system -lungs,,,,it helps to breath and help in function of heart..circulatory system -heart,, it helps in supply blood to all the parts of the body via blood vessels

Answer 2

1. Respiratory system -lungs -tranport of oxygen and remove of carbon dioxide by the help of alveoli.

2 Circulatory system - heart - transport of oxygenated blood in every part of body.......