3. as an element in a molecule of a compound in the body, such as amino acids, phospholipids and lipid phosphorus and sulfur are, as well as elements in the Lake, there's wind, Raheem's, iron, etc.
3. The composition of the molecules of compounds within the body, such as amino acids, lipids and phospholipids is sulfur and phosphorus. As well as the elements in the molecule heme iron that is so.
3. As a component in the molecules of various compounds within the body, such as the amino acid and phospholipid, that is, the sulfur and phosphorus as well as elements in a molecule of heme. That is, iron, etc.