Is the digestive system the same as the gastrointestinal system?

No. The gastrointestinal system is a part of .
##color(green)(GASTROINTESTINAL####color(white)(x## ##color(green)(SYSTEM##:
The Gastrointestinal system includes all structures from the mouth to anus which are used in consuming,digesting and absorbing food and nutrients and expelling waste.
The gastrointestinal tract is the path that food travels on which starts from the mouth and ends at the anus.
##color(purple)(DIGESTIVE####color(white)(x## ##color(purple)(SYSTEM##
While digestive system is a broader term including other structures such as digestive organs and accessories (liver,pancreas, gall bladder etc) which aid in the digestion of food.
The gastrointestinal tract and associated organs: ##color(white)(xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx##

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