Health and Communication Key Concepts for Students Practice Test 2026 - Free Sample Questions and Comprehensive Study Guide

The primary role of fats in the body is to help absorb vitamins and provide energy. Fats are essential macronutrients that play a crucial part in the absorption of fat-soluble vitamins, including vitamins A, D, E, and K. Without adequate fat intake, the body may struggle to effectively absorb these important vitamins, leading to potential deficiencies.

Additionally, fats serve as a significant source of energy. They are calorie-dense, providing more than twice the energy per gram compared to carbohydrates and proteins. This energy is vital for various bodily functions and physical activities. The body also stores excess calories as fat for later use, which can be mobilized when needed, especially during prolonged exercise or periods of fasting.

While fats do play minor roles in regulating body temperature and are involved in cell structure, their primary functions are centered around energy provision and the absorption of certain vitamins, making option C the most accurate representation of the primary role of fats in the body.