In respiration, the correct answer is option 2: Catabolic Process. Respiration is a metabolic process that occurs in living organisms to release energy from food molecules. It involves the breakdown of complex organic molecules, such as glucose, into simpler molecules, like carbon dioxide and water. This breakdown releases energy in the form of ATP (Adenosine Triphosphate) that can be used by cells for various functions. Catabolism refers to the breakdown of molecules, and respiration fits this description as it involves the breakdown of glucose to release energy. This is in contrast to anabolic processes (option 3) which involve the synthesis of complex molecules from simpler ones and synthetic processes (option 1) which generally refer to the creation of new substances through chemical reactions. Reduction processes (option 4) involve the gain of electrons and are not directly related to respiration.