The primary function of cellular respiration is to break down food molecules and generate ATP.
Cellular respiration is the process by which living organisms obtain energy in form of ATP by breaking down food molecules in their cells.
Cellular respiration occurs in all living organisms because energy is required for their daily metabolic activities.
Therefore, the primary function of cellular respiration is to break down food molecules and generate ATP.
Learn more about cellular respiration at: https://brainly.com/question/13721588