APPK 1.11 - Digestive System Flashcards
Define: enter
intestine
Define: lip
fat
Define: hepa/hepato
liver
Define: gastr/gastro
stomach/gastrointestinal tract
What is another name for the gastrointestinal tract?
Alimentary tract
Define: mastication
Mechanical breakdown of food; “chewing”
T/F: both physical & chemical digestion begin in the mouth
True; physically via teeth & tongue, chemically via saliva
Define: bolus
chewed up food that has entered the pharynx
What is peristalsis & what is it’s function?
Peristalsis are wave-like contractions & relaxation of smooth muscle. This movement helps to move food through the digestive tract.
T/F: vomiting is reverse peristalsis
True
Where are rugae located?
Stomach
Define: chyme
a soupy mixture created from the bolus churning in the stomach, mixing w/ stomach acids & digestive enzymes.
Where in the alimentary tract does the majority of nutrient absorption happen?
Small intestine
T/F: Large intestine & colon are different parts of the digestive system.
False; they are the one & the same
What are the 4 parts of the LI?
Ascending colon, Transverse colon, Descending colon, Sigmoid colon