Ingested Dietary Substances Must Cross Cell Membranes to Be Used

Question

Ingested dietary substances must cross cell membranes to be used by the body, a process known as
A) ingestion.
B) digestion.
C) hydrolysis.
D) absorption.
E) elimination.

Accepted Answer

Absorption is the process through which ingested dietary substances must cross cell membranes to be used by the body. This occurs mainly in the small intestine, where nutrients are absorbed into the bloodstream and transported to various organs and tissues throughout the body.