They subjected those hairs to increasing levels of tension until the fibers broke.

他们让这些毛发承受越来越强的张力，直到纤维断裂。

And have found that in fact they are adapted to breaking down these wood fibers under these extreme conditions.

研究人员发现，事实上，在这些极端条件下，它们能够分解这些木纤维。

Blending does, however, break the fibers into smaller pieces, which will affect how they move through your digestive system, he said.

然而，混合确实会将纤维分解成更小的碎片，这会影响它们通过消化系统的方式，他说。