Question

What is the physics behind the working of the digestive system?

Answer 1

d rhythmic contraction n expansion (peristalsis movement) of the alimentary canal ehich pushes the food through it

I hope dis helps u :) :)

Answer 2

Answer:

$the \: process \: of \: converting \\ complex \: food \: substances \: into \\ simple \: form \: is \: known \: as \: \\ digestion \: the \: human \: digestive \: system \\ consists \: of \: the \: alimentary \: Canal \\ secretory \: glands \: the \: alimentary \\ canal \: is \: long \: tube \\ like \: structure \: of \: varying \\ thickness \: that \: Run \: from \\ the \: mouth.$