Question | Answer |
Mastication | Chewing |
Defecation | Bowel Movement |
Peristalsis | Involuntary wave like motion |
Deglutition | Swallowing |
Feces/Stool | Waste |
Colon | Large Intestine |
Bolus | What we swallow (chewed up food) |
Describe the 3 major functions of the GI system | Digestion, Absorption, Elimination |
Where does digestion begin? | Mouth |
What is Ptyalin? | Chemical in saliva |
Which structure starts the beginning of the GI tract? | Mouth |
The Salivary Glands | Parotid, Sub-lingual, Sub-mandibular |
What are papillae? | Taste Buds |
Where are the hard and soft palate? | Roof of mouth, front and back |
What structure originates from the soft palet? | Uvula |
What structure connects the pharynx to the stomach? | Esophagus |
By what process is food moved through the esophagus? | Parastalsis |
Name the mucous membrane folds lining the stomach? | Rugae |
What structure is named the pharynx? | Throat |
Name the structure that the bolus passes through on its way to the stomach | Cardiac Sphincter |
What are the 3 divisions of the stomach? | Fundus, Body, Pylorus |
Where is the pyloric sphincter? | divides pylorus and duodenum. Allows movement from stomach into small intestines. |
What is the name of the substance that is present in the stomach once food is broken down to the proper consistency? | Chyme |
What are pepsin & HCL and gastric? | Gastric juices |
What organ are pepsin, HCL and gastric juices excreted into? | Stomach |
What are the parts of the small intestines? | Duodenum, jejunum, Ileum |
What is the main function of the small intestines? | absorption of nutrients |
What are villi? | finger like projections that line the small intestines |
once food is adequately digested, it leave the stomach through what structure and enters what structure? | pyloric sphincter - duodenum |
the food substance leaves the small intestine through what structure ? | Ileo-cecal valve |
What are the parts of the large intestines? | Cecum, Colon, Sigmoid, Rectum |
What organ manufactures bile? | Liver |
What organ stores and concentrates Bile? | Gallbladder |
What is the function of Bile? | Digest fat |
Name the pancreatic enzymes, what is their functions? | Amylase - digest carbs
Lipase - digest fats
Trypsin - digest proteins |
Through which duct do bile and pancreatic enzyme travel through to be excreted? | Common Bile Duct |
Into which organ does the common bile duct carry the bile and enzymes? | duodenum |
What lines the entire GI tract? | mucous membranes |
Where is the appendix located? | off of the cecum |