sentence2_structure: Using nutrients and growing<>are<>common to all living things
sentence1: Metabolism is commonly used to refer to the      breakdown of food and its transformation of all nutrients into energy,      but it incorporates all chemical and physiology changes that take place      within the body to enable it to grow and function.
sentence2: Using nutrients and growing are common to all living things.
question: Which two processes are common to all living things?