The Digestive System Main Functions 1. _____________: take in __________ 2. ___________: ___________ and _________ break ______ down so it’s __________ enough to be used by the body 3. Allow _____________ to enter the __________________ 4. _____________: __________ the remaining _____________ Part A.Main Digestive Organs • _______________ (Gl) tract – Structures 3 The Mouth • Teeth _____________ break down food into _______ ___________. • __________ contains an _________ called ___________, which helps _________ breaks down ____________ The ___________ • The back of the ____________ • When we swallow, the ___________closes off the _____________ to the ________and ____________ food into the __________ The _____________ • Approximately ________long. • Functions inc lude: 1. Secrete _________ 2. Moves _________ from the _________ to the ___________ using _______ movement called _________ The ___________ • J-shaped ___________ bag • Mixes food with ____________that contain ____________ to break down __________________________ • ________________(_________) in the stomach _____ _____________. 7 ________ __________ • Small intestines are roughly _________ long • _________ helps break down ____ further • _________ are absorbed into _________ _________ 8 Large _________ • About _________long • Absorbs ___________ • _________ (short term __________ which holds __________ before it is ___________). Part B: ___________ Organs • ________, _____ _________, and _________ are not part of the _____ food follows but play a _________ role in ___________ The ________ • Directly affects digestion by producing __________ – ________ helps digest ______ • filters out _______ and ________ including ___________ and _________and __________. 11 ____ _________ • Stores ______ from the ______, releases it into the ______ ___________. • ________ diets can cause ____________ _____________ • Produces __________ __________ -o digest ______, __________ and _________ • Regulates blood ________ by producing ____________
