Provides only about half a persons needs
50
yes
Food and fluids go in...Feces and fluids come out... The GI tract is an overall workhorse to convert ingested food and fluid to energy and stored energy, as well as get rid of wastes.
Vitamin K and two b vitamins-niacin and thiamine
vitamins a, d, e, k
Describes nutrition that bypasses the GI tract
Vitamin K is a fat-soluble vitamin produced by bacteria in the GI tract. In needs fat (lipids) to be absorbed by the intestines. You do not need to add extra Vitamin K.
These would be water soluble vitamins, such as the B-vitamins and Vitamin C.
The stomach has the thickest walls and the strongest muscle in all the GI tract organs. : )
The GI (Gastrointestinal) tract or the Digestive Tract
The anus
GI tract, GIT, digestive tract, digestion tract, alimentary canal
the physical propulsion of food through the gastrointestinal tract (GI tract)