Efectos del cigarrillo en el cuerpo humano - PowerPoint PPT Presentation


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el cigarrillo contienen 4.027 qu?micos, de los cuales 200 son venenos conocidos y 60 son cancer?genos. LA NICOTINA y EL ALQUITR?N son las sustancias m?s nocivas. . La dosis de Nicotina, que se encuentra en el cigarrillo, puede MATAR a una persona. Pero antes de fumar la cantidad necesaria para a

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