digestive system Flashcards
what are the main parts of the digestive system
-mouth: palate, usual, tongue, teeth
-salivary glands: sublingual, submandibular, parotid
-liver
-gallbladder
-common bile duct
-stomach
-pancreas
-pancreatic duct
-small intestine: duodenum, jejunum, ileum
-large intestine: transverse colon, ascending colon, cecum, descending colon, sigmoid colon, rectum.
what are the functions of the GI tract
-ingestion
-propulsion
-digestion
-absorption
-elimination
functions and structure of the tongue
The dorsal surface is covered in taste buds divided into numerous papillae
It is long so is divided into two parts:
Oral at the front
Pharyngeal at the back
-Functions:
Mastication
Deglutition (Swallowing)
Speech
Taste
what are the functions of the salivary glands
-excrete saliva which facilitates mastication and contains amylase to facilitate digestion of starches
-maintains pH and lubricates mouth, important in oral hygiene.
what are the functions of the mouth
-breakdown of food, contains the teeth, muscular tongue and palate.
what is the function of the oesophagus
-swallowing- transporting food to the stomach.
-prevent back flow of stomach contents.
what is the function of the small intestine
-where chemical digestion occurs
-digested food is able to pass though
what is the function of the large intestine
-water absorption
-also absorbs some vitamins
symptoms of digestive problems
-bleeding
-bloating
-constipation
-diarrheoa
-heartburn
-incontimence
-nausea
-belly pain
-swallowing problems
-weight gain or loss
symptoms of gastritis
-loss pf appetite
-nausea
-abdominal bloating
-heaviness
-heartburn
-abdominal pain
-hiccups
-black tarry stools
symptoms of appendicitis
-vomiting
-abdominal bloating
-loss of appetite
-fever
-constipation or diarrhea
-sudden pain on the right side of abdomen
stempts of gastro oesophageal reflux disease (GERD)
-heartburn
-difficulty swallowing
-vomiting
-dry throat
-flatulence
