Approximately how many liters of food does the stomach hold?
About 1 to 1.5 liters
what stores food until it can be partially digested and moved along further along the GI tract?
The Stomach
How long, in centimeters, is the esophagus?
25 centimeters.
How many bones does the hard palate consist of?
4
The process of altering the composition of ingested food material so that it can be absorbed and used by the body cells is called what?
Digestion
True or False?
Do the glands secrete the most gastric Juice?
True. The glands secrete the most gastric juice.
What is the thick layer of muscle in the stomach wall?
The pharynx is an important part of swallowing, but what is the second division?
Oropharynx.
What is another name for the mouth?
Oral cavity.
The tube formed by the digestive system that goes all the way through the ventral cavities of the body is usually referred to as what?
Digestive Tract; Gut
What are the three main divisions of the stomach?
The Fundus, Body and Pylorus
What does the stomach secret that contains acid and enzymes that aid in the digestion of food?
Gastric Juice
Once the bolus (food) passes through the pharynx, what does it enter?
The digestive tube proper.
Name one purpose of the lips.
Sense the temperature and texture of food.
Which two organs critical to digestion are both part of the lower digestive tract?
Small Intestine & Large Intestine
Where does the stomach lie in the body?
It lies in the upper part of the abdominal cavity under the liver and diaphragm
Sphincter Muscles
The esophagus is a tube that extends from the _____ to the _____. (Fill in the blanks).
pharynx, stomach
What are the connective tissues in a tooth called?
Dental tissues.
The mouth, pharynx, esophogus, and stomach are all organs of what?
Upper Digestive Tract
The epithelial lining of the stomach that is thrown into folds is called what?
The Rugae
What is the term used to describe backwards flow of stomach acid up through the LES (Lower Esophageal Sphincter) and into the lower part of the esophagus?
GERD: gastroesophageal reflux disease
What causes a heartburn?
It is caused by the backward flow of stomach acid up through the LES and into the lower part of the esophagus.
Where does the serous and mucous cells come from?
The salivary glands.
The muscularis, or muscular layer, is a thick layer of muscle tissue that wraps around what?
The Submucosa