The goal for a healthy person is energy balance, where the number of calories consumed matches the number of calories required for one's BMR and activity.
Clients may make broad statements about their bodies, and it is important for healthcare professionals to ask appropriate questions to gather more specific information.
Caloric values of foods vary, as do people's energy requirements, which depend on various factors such as age, body size, sex, lean body mass, physical condition, climate, and activity.
The stomach functions include temporary storage of food, mixing of food with gastric juices, controlled emptying of food into the intestine, secretion of intrinsic factor for vitamin B12, and destruction of bacteria.