Digestion and Nutrition

Movement of digested nutrients through the intestinal wall into the body.

An enzyme in saliva that begins the digestion of starch.

Helpful microorganisms that live in the digestive system and support digestion and health.

A digestive fluid produced by the liver that helps break large fat droplets into smaller ones.

The layer of microvilli covering the epithelial cells of the small intestine.

A tiny blood vessel where nutrients such as glucose and amino acids enter the bloodstream.

A nutrient that provides the body's main source of energy.

Chemical breakdown of large molecules using enzymes.

The semi-liquid mixture of partially digested food and digestive juices that leaves the stomach.

A condition in which bowel movements are difficult or infrequent.