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Digestive System Guided Notes To be used with Digestive System PowerPoint What is nutrition? What are its 2 parts? __________________________________________ __________________________________________ __________________________________________ __________________________________________ Define the two types of feeders. What is an example of each? ________________________________________________________________________ ________________________________________________________________________ ________________________________________________________________________ ________________________________________________________________________ ________________________________________________________________________ What is a nutrient? What are the two types of nutrients? ________________________________________________________________________ ________________________________________________________________________ ________________________________________________________________________ ________________________________________________________________________ ________________________________________________________________________ Below, list the four examples of macronutrients? Name Diagram Example What’s it used for? Water What is a calorie? ____________________________________________________ ____________________________________________________ Does everyone need the same amount of calories? ___________ The amount of calories you need depend on what? 1. _________________________________ 2. _________________________________ 3. _________________________________ 4. _________________________________ 5. _________________________________ What is hydrolysis? ________________________________________________________________________ ________________________________________________________________________ ________________________________________________________________________ What are four examples of hydrolysis? 1. ___________________________________________ 2. ___________________________________________ 3. ___________________________________________ 4. ___________________________________________ The human digestive tract is _____________________________________________________ _____________________________________________________ _____________________________________________________ _____________________________________________________ What is peristalsis? _____________________________________________________ _____________________________________________________ ________________________________________________________________________ Mouth and Teeth Define: Mouth: _______________________________________________ Oral Cavity: _____________________________________________________________ Teeth: __________________________________________________________________ What do your teeth help increase? ____________________________________________ Saliva and Tongue What do salivary glands secrete? _______________________________________________________ What are the 2 roles of saliva? 1. __________________________________________________________ 2. __________________________________________________________ _________________________________________________________________ What does the tongue do? __________________________________________________ ________________________________________________________________________ Esophagus and Stomach Define: Esophagus: ________________________________________________________ __________________________________________________________________ __________________________________________________________________ __________________________________________________________________ Stomach: _______________________________________________________________ ________________________________________________________________________ ________________________________________________________________________ ________________________________________________________________________ What begins its digestion in the stomach? _____________________________ What does the gastric juice contain? 1. __________________________________________________________________ 2. __________________________________________________________________ 3. __________________________________________________________________ What is the name of the muscular valve between the stomach and small intestine? _____________________________________________ Small Intestine How long is it? _________________________________________ What is its diameter? ____________________________________ What gets digested here? 1. _____________________________ 2. _____________________________ 3. _____________________________ Accessory Structures of the Small Intestine Liver What is its role in digestion? ____________________________________ Gallbladder What is its role in digestion? ____________________________________________ What is bile? __________________________________________________________ How does it get to the small intestine? ________________________________________ Pancreas What is its role in digestion? _______________________________________ _______________________________________________________________ Digestion and Absorption in the Small Intestine What is the name of the glands that finishes digestion in the small intestine? ______________________________________ Digestion occurs and is completed in what organ of the digestive system? ______________________________________ What is the name of the specific feature of the small intestine that allows for nutrient absorption? ____________________________ What do they look like? ____________________________________________________ Why do they look like this? _________________________________________________ Why do they contain a capillary? _____________________________________________ ________________________________________________________________________ Large Intestine How long is it? _________________________________________ What is its diameter? ____________________________________ Does any digestion take place in the LI? _____________________ What is the purpose of the LI? _______________________________________________ ________________________________________________________________________ What vestigial organ is located here? _________________________________________ Rectum and Anus What is the name of the muscle contraction that moves undigested food from the LI to the rectum and out the anus? ___________________________________________________ What is defecation? _______________________________________________________ The Human Digestive System: Label Me! Digestive System Disorders: Define the following Ulcer: __________________________________________________________________ ________________________________________________________________________ Mucus normally__________________________________________________________ Associated with __________________________ or ______________________________ Appendicitis:_____________________________________________________________ ________________________________________________________________________ ________________________________________________________________________ Gallstones: are ___________________________________________________________ ________________________________________________________________________ May block the __________________________ causing _______________ and __________________. Can be treated by lasers or _________________________________________________ Constipation: ____________________________________________________________ ________________________________________________________________________ Caused by sluggish __________________ that allows ___________________________ ________________________________________________________________________ How does constipation occur? _______________________________________________ Diarrhea: _______________________________________________________________ Water is not _____________________________________________________________ Caused by ________________________ ________________________or ___________. Prolonged _________________________ = severe ____________________________.
