why does your body need lipids
Lipids important to the body What are lipids? Cholesterol is a type of lipid (fat). Lipids are substances that do not dissolve in water but are soluble in organic solvents such as chloroform or dry cleaning fluids. Other important types of lipid include triglycerides and fatty acids. Lipids have several important roles in the body, providing: 1  a source and store of energy. 2  an important part of the membrane surrounding every body cell. 3  the basic building blocks from which several hormones (chemical messengers) and bile acids (digestive juices) are made. 4  components of the nervous system.