HUMAN NUTRITION

Detailed explanation-1: -Thus, oils, fats and waxes all are lipids.

Detailed explanation-2: -Major types include fats and oils, waxes, phospholipids, and steroids.

Detailed explanation-3: -The three main types of lipids are triacylglycerols (also known as triglycerides), phospholipids, and sterols.

Detailed explanation-4: -Lipids are energy-rich organic, non-polar molecules. These organic compounds contain carbon, hydrogen and oxygen atoms that form a framework for the structure and function of living cells. They are insoluble in water and only soluble in nonpolar solvents as water is a polar molecule.