Essential nutrients are nutrients that can be made by the body.
False, they must be obtained by food.
The body's cells need nutrients 24 hours a day.
Each part of the digestive tract has specific functions.
Digestion begins in the mouth.
It takes approx two days for a meal to empty from the stomach.
False, it takes approx 4 hours for a meal to empty from the stomach.
Nutrients are absorbed in the small intestine.
The small intestine is longeer than the large intestine.
The small intestine is lined with fingerlike projections called villi that increase the absorptive area so that if the lining of the small intestine could be spread out flat it would cover an area the size of a tennis court.
The liver determines the metabolic fate of every nutrient absorbed.
The pancreas plays no role in the digestive process.
False, the pancreas produces digestive enzymes and bicarb and secretes them into the small intesine.