براي اينکه بدن بتواند عملکرد مناسب داشته باشد همواره بافت ها و اندام ها ي گوناگون بايد درحال فعاليت و هماهنگي با يکديگر باشند ، يکي از موادي که باعث اين هماهنگي و ارتباط مي شود هورمون ها هستنند
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