Physiology · Multiple Systems · Easy

Catabolism

Meaning: The set of metabolic reactions that break complex molecules into simpler ones, releasing energy.

In practice: Severe illness puts the body into catabolism, wasting muscle protein.

Quick check

Two questions on related physiology words.

Which word means: The mechanical and chemical breakdown of food into absorbable nutrients.

Which word means: A protein-digesting enzyme active in the acidic environment of the stomach.

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