Question

what does digestive system mean in science

Answer 1

it is a muscular and tubular structure of human body which starts from mouth and ends at anus.

Answer 2

Answer:

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