key term - Absorption

Definition

Absorption in the context of the digestive system is the process by which nutrients from digested food are taken into the bloodstream from the intestinal lining. This critical phase allows for the distribution of vital nutrients to cells throughout the body.

Related terms

Digestion:

The mechanical and chemical breakdown of food into smaller components that can be absorbed into a blood stream.

Villi:

Small, finger-like projections in the intestine that increase surface area for more efficient nutrient absorption.

Nutrients:

Substances that provide nourishment essential for growth and the maintenance of life, absorbed during digestion