Like…both ends being fixed in place surely helps, but how does the rest keep from tying into knots?
In: Biology
Mesentary tissue. Think of your intestines stretched out like a curtain rod. The mesentary tissue is like a curtain hanging from that rod, but it is firmly attached to the rod. It cannot slide back and forth like a real curtain. Now the mesentary “curtain” is also anchored to the floor, or in your body, it’s attached to the back of your abdominal wall.
Now your intestines can move around quite a bit, so let’s make our curtain rod really flexible. If you take it down from the wall, bunch it up on the floor and let the mesentary curtain get all scrunched up, I think you’ll see that although the curtain rod intestine wouldn’t be able to tie itself into knots very easily with the mesentary curtain still attached to it, and the curtain itself is attached to your abdominal wall.
The intestines can still get tangled up in real life, but it is pretty rare.
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