Georgia Virtual School (GAVS) Health Exam

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What nutrient is primarily used by the body to build and maintain cells and tissues?

Carbohydrates
Fats
Vitamins
Proteins

The correct answer is: Proteins

Proteins are the primary nutrients that the body uses to build and maintain cells and tissues. They serve as the building blocks of the body, being essential for the growth, repair, and maintenance of body structures such as muscles, organs, skin, and hair. Proteins are made up of amino acids, which are crucial for various bodily functions, including enzyme production, hormone regulation, and immune responses. While carbohydrates and fats provide energy, they do not have the same role in cellular structure as proteins. Carbohydrates primarily serve as a quick energy source, whereas fats provide long-term energy storage and support cell membrane integrity. Vitamins, while vital for various biochemical processes and overall health, do not directly contribute to the structural components of cells and tissues like proteins do. Therefore, proteins are uniquely positioned as the key nutrient for building and maintaining the body’s cellular framework.