Multiple choice general knowledge

The main structural component of the body are:

  1. Carbohydrates

  2. Proteins

  3. Fibers

  4. Fats

Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Proteins serve as the primary structural components of the body, forming muscles, bones, skin, and cell membranes. Unlike carbohydrates and fats which mainly provide energy, proteins build and repair tissues. Collagen, a protein, is the most abundant structural protein in the body.