The Chemistry And Physiology Of Digestion For food to be utilized by the body, it must first undergo a series of processes which we call digestion. After we perform the only really voluntary actions involved in the process of nutritionâputting the food into our mouths, chewing and swallowingâthe balance of the digestive process is the function of the autonomic or involuntary nervous system. The changes which foods undergo are largely effected by enzyme and digestive juices.
Definition of process for English Language Learners. : 1  a series of actions that produce something or that lead to a particular result. : 2  a series of changes that happen naturally. 3  medical : something that sticks out of something else.
A business process or business method is a collection of related, structured activities or tasks that produce a specific service or product (serve a particular goal) for a particular customer or customers.here are three types of business processes 1  : Management processes, the processes that govern the operation of a system. 2  Operational processes, processes that constitute the core business and create the primary value stream. 3  Supporting processes, which support the core processes.