What're the functions of lipids in the body

lipids (fats) play several crucial roles in the body:

• Energy Storage: Lipids are the most efficient form of long-term energy storage. They store more than twice the energy per gram compared to carbohydrates or proteins. When the body needs energy, it can break down stored fats.
• Structural Components: Phospholipids are a major component of all cell membranes, forming the lipid bilayer that separates the inside of the cell from its environment and compartmentalizes organelles within the cell.
• Hormone Production: Many hormones, particularly steroid hormones (like estrogen, testosterone, and cortisol), are derived from cholesterol, which is a type of lipid. These hormones regulate various bodily functions, including metabolism, inflammation, and reproduction.
• Insulation and Protection: A layer of fat under the skin (subcutaneous fat) provides thermal insulation, helping to maintain body temperature. Fat also surrounds vital organs, acting as a protective cushion against physical shock and injury.
• Absorption of Fat-Soluble Vitamins: Dietary fats are essential for the absorption and transport of fat-soluble vitamins (Vitamins A, D, E, and K) from the digestive tract into the bloodstream.