Intake of nutrients.
Enzymatic breakdown, hydrolysis, of food so it is small enough to be assimiliate by the body.
Metabolic processes that produce energy (adenosine triphosphate) for all the life processes.
Distribution of molecules from one part of a cell to another from one cell to another.
Ability to maintain internal stability, homeostasis.
Combining of small molecules or substances into larger, more complex ones.
Removal of metabolic waste.
Removal of undigested waste.
Ability to generate offspring.
Ability to respond to stimuli.
Moving from place to place (animal cells only).
Sum total of all the life functions.