Function
What is the function of the esophagus?
Transports food from the mouth to the stomach
Where does the first step of the digestive system take place?
Mouth
What are the accessory organs to the gastrointestinal system?
Salivary glands, liver, gallbladder & pancreas
What is mechanical digestion?
Breaking down of materials by breaking, tearing, crushing and mashing
What causes acid reflux?
The muscle in the valve between the esophagus and stomach becomes weaker and doesn't close properly. Acid splashes up into the esophagus.
What is the function of the small intestines?
Absorbs all the nutrients and sends it through to the rest of the body.
What prevents aspiration of food by the trachea?
Epiglottis
What is in saliva that begins the breakdown of carbohydrates?
Amylase
What is another name for the tube that food travels through in the digestive system?
Alimentary canal or GI Tract
Results from hardened bile built up in this organ
Gallstones
What is the main function of the large intestines?
Absorbs water and compacts the waste
Name the 3 sections of the small intestine.
Duodenum, Jejunum, ileum
This organ makes bile and also gets rid of toxins
Liver
If you were to lay them rolled out, which intestine is longer ?
Small
Lactose intolerance
What is the name for a chemical that speeds up a chemical reaction in the body. An example of this is amylase.
Enzyme
What are the 4 sections of the large intestine?
ascending, transverse, descending, sigmoid
What is the name of one secretion produced in the pancreas and what is it's main function?
Insulin, lower blood sugar
Sodium Bicarb- neutralize acid/ balance pH
Lipase-break down lipids
What is the squeezing wave like movement of the food in the GI tract called?
Peristalsis
Constipation
Name 4 functions of the digestive system
Ingestion,
Digestion of Food
Absorption of nutrients & water
Excretion of waste
What are the structures made up of epithelial cells in the small intestine that absorb nutrients
Villi
What exact structure does the pancreas and gallbladder secrete into?
Duodenum
Fats are primarily digested in the _________ and proteins are primarily digested in the ___________.
small intestine and stomach.
This disorder can result in flu like symptoms, severe abdominal pain, rash, and change in appearance of urine and feces
Hepatitis