Biology
Biology, 29.05.2020 18:00, gildedav001

El aparato respiratorio presenta unas células productoras de ... Que atrapan los gérmenes y el polvo. En su superficie tienen una gran cantidad de unas estructuras celulares llamadas ... Cuya función es extender el mucus y dirigirlo hacia el exterior. En el estómago, las glándulas digestivas producen el ... El cual, por su extremada ... Ataca y destruye a los ... Que se introducen con la comida y la bebida.

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El aparato respiratorio presenta unas células productoras de ... Que atrapan los gérmenes y el polvo...

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