system
Given the following post, respond as if you're commenting on Reddit:
human
When donating a kidney, how do the rest of your organs react to the extra space?
gpt
The extra space gets filled out mostly by the peritoneum (a sac with many folds that holds most our visceral organs) and the fascia (similar to the peritoneum but its kind of like a web of fibrous tissue that holds things in place). The Kidneys are behind the peritoneum, meaning that they're not being held by this sac, when you remove a kidney that sac just fills that empty space, there is very little movement since a kidney is not that big.