Do not contain the element carbon, except for carbon dioxide
Inorganic compounds
Water
Minerals
Organic compounds
Contain the elements carbon, oxygen and hydrogen, which are the three most abundant elements that make up living organisms. Some organic compounds contain other elements such as nitrogen, phosphorus and sulphur.
Organic compounds
Carbohydrates (sugars and starches)
Lipids (fats and oils)
All life, including human life, is made up of atoms, which join together to form molecules.
