Why does burgers/steak shrink when you cook it instead of falling apart?

Question

Just curious why it pulls together keeping its shape rather than filling with “holes” and falling apart.

In: 5

Answer 1

Because the patty/steak is like a big ball of string. long strains of fiber tissue run thru out it.

As the moisture evaporates, the long fibers shrink, drawing the meat together, tighter