What is the most abundant organic matter in the body that participates in all body functions?

The most abundant organic matter in the body that participates in all body functions is indeed protein. Proteins play a crucial role in the body, serving as essential building blocks for tissues and organs. They are composed of amino acids and are involved in a wide range of physiological processes, including muscle contraction, immune response, hormone production, and enzyme catalysis.

Proteins are not only structural components of cells but also facilitate biochemical reactions and help transport molecules throughout the body. This versatility and indispensability in various bodily functions underscore their abundance and importance compared to other organic substances like carbohydrates, fats, and vitamins.

Carbohydrates primarily serve as energy sources, while fats provide energy storage and help in the absorption of certain vitamins. Vitamins, on the other hand, are organic compounds necessary in small quantities for various metabolic processes but do not function as the primary structural or functional components in the same way proteins do. Therefore, while all these substances are vital for maintaining overall health, proteins stand out for their abundance and multifunctional roles in the body.