notes for nutrition

Absortion

the process or action by which one thing absorbs or is absorbed by another.

Bile

A substance produced by the liver that breaks up fat particles.

Chyme

A predigested, acidified mass of food that passes from the stomach into the small intestine.

Enxymes

proteins that catalyze a reaction

Gastric Juice

A digestive fluid secreted by the stomach.

macronutrients

carbohydrates, proteins, and fats

Mastication

chewing

bolus

A term used to describe food after it has been chewed and mixed with saliva

metabolism

the combination of chemical reactions through which an organism builds up or breaks down materials

Micronutrients

vitamins and minerals

perstalsis

waves of muscular contractions that move food through the digestive tract

villi

Fingerlike extensions of the intestinal mucosa that increase the surface area for absorption

gastrointestinal

pertaining to the stomach and intestines

Feces

solid waste