Question

select the best answer for the question.

1. which of the following best describes digestion?

a. a building block of protein
b. a substance that acts as a catalyst for a biochemical reaction
c. a series of biochemical reactions that occur within your brain, heart, and lungs
d. a bodily process that breaks down food consumed through your diet
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Explanation:

• Option A: A building block of protein is an amino acid, not digestion.
• Option B: A substance acting as a catalyst for biochemical reactions is an enzyme, not digestion.
• Option C: Digestion occurs in the digestive system (stomach, intestines, etc.), not primarily in the brain, heart, or lungs.
• Option D: Digestion is the bodily process that breaks down food from the diet into smaller components for absorption.

Answer:

D. A bodily process that breaks down food consumed through your diet