Answer: C
Explanation: it produces nitrogen compounds that humans can breath . It is the only logical choice.
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<span>Skin cells are attached to the extracellular matrix by anchoring junctions, which are cells more often found in tissue that is subjected to constant mechanical stress such as your skin.</span>
Answer:
Función. Las células de Schwann funcionan como aislante eléctrico, mediante la mielina. Este aislante, que envuelve al axón, provoca que la señal eléctrica lo recorra sin perder la intensidad, facilitando que se produzca la denominada conducción . saltatoria.