system
Given the following post, respond as if you're commenting on Reddit:
human
Is everyone's digestive tract the same length?

I mean 2 people who are the same height and size. Does this play into different levels of nutrient absorption?
gpt
It wouldn’t be exactly equal, but pretty close in general, yes. Motility of the GI tract and digestive fluid secretions, along with the tract wall’s health, would have a much larger effect than any minor differences in tract length.

If you cut out a part of the GI tract in a surgery though, that will alter your nutrient absorptionby *a lot*.