The process whereby nutrients are taken into the bloodstream is known as:

A) anabolism.
B) catabolism.
C) absorption.
D) ascites.

Absorption

The process by which substances are taken up into, or across, tissues, such as the absorption of nutrients by the intestines into the bloodstream.

Anabolism

The constructive part of metabolism concerned with the biosynthesis of complex molecules from simpler substances within the body.

Catabolism

The breakdown of complex molecules in living organisms to form simpler ones, often resulting in the release of energy.