--subdivision Metabolism--Regulation under individual chemicals and groups of chemicals and individual organs and regions of the body, e.g. Copper--Metabolism--Regulation; Heart--Metabolism--Regulation
--subdivision Prices--Law and legislation under individual products and other objects; also subdivision Prices--Law and legislation under industries where one general subject heading for the products of that industry is lacking, e.g. Construction industry--Prices--Law and legislation
--subdivision Reproduction--Regulation under individual animals and groups of animals, e.g. Cattle--Reproduction--Regulation; Fishes--Reproduction--Regulation
