They're responsible for taking vital signs, speaking directly with patients about problems the patient is experiencing, performing routine laboratory tests, scheduling appointments, and
many other essential functions that every doctor's office needs every day.
Oversee construction management personnel (such as Resident Engineer), contractors, and suppliers / vendors in the areas of construction management, scheduling, procurement, document control, and
other essential functions pertaining to contract execution.
Before the cell can use microtubules for these and
other essential functions, it must first organize them into carefully crafted bundles, which become the basis for three dimensional shapes.
«Alive: The Canadian Journal of Health and Nutrition» describes
the other essential function of protein in maintaining the immune system and hormonal balance.
The body needs iodine to make thyroid hormones, which help control metabolism and
other essential functions.