Animals use chemical energy harvested from thefood they eat to fuel _ and __. Food s digested by _- and nutrients are absorbed by body cells. Most energy-containing molecules are used to generate __. __ produced by cell resp and __ powes cellular work, enabling cells, organs, and organ systems to perform the functions that keep an animal alive. Energy in the form of AT P is also used in __, whicih is needed for body growth adn repair, synthesis of storage material such as fat, and production of gametes. The production and use of ATP generates heat, which the animal eventually gives off to its surroundings.
- enzymatic hydrolysis
- ATP x2