Fats are primarily made up of which elements?

Fats, also known as lipids, are primarily composed of carbon, hydrogen, and oxygen. The structure of fats includes long chains of carbon atoms bonded to hydrogen atoms, which form fatty acids. These fatty acids can be saturated or unsaturated depending on the presence of double bonds between carbon atoms. The oxygen in fats is usually found in the glycerol backbone of triglycerides, which are the most common form of fat in the body.

The predominance of carbon and hydrogen in fats is what gives them their characteristic properties, including their hydrophobic (water-repellent) nature. This composition is essential for their function in the body, such as energy storage, insulation, and serving as structural components of cell membranes. Understanding the elemental makeup of fats is crucial in the study of nutrition and metabolism, highlighting their role in various physiological processes.