But what seems so slow and graceful from the outside is really more like chaos inside, because cells control their shape with a skeleton of rigid protein fibers, and those fibers are constantly falling apart.
Pero lo que parece tan lento y agraciado visto desde fuera parece más un caos desde dentro, porque las células controlan su forma con un esqueleto de fibras proteicas rígidas, y esas fibras se destruyen constantemente.