Vital functions

(Physiol.) those functions or actions of the body on which life is directly dependent, as the circulation of the blood, digestion, etc.

See also: Vital

Webster's Revised Unabridged Dictionary, published 1913 by G. & C. Merriam Co.
References in classic literature ?
One Eye Kanty, owing to his early trade, held the always important post of chief armorer, while Peter the Hermit, the last of the five cut-throats whom Norman of Torn had bested that day, six years before, in the hut of Father Claude, had become majordomo of the great castle of Torn, which post included also the vital functions of quartermaster and commissary.
Employees at the North Texas location perform vital functions for the company in areas such as operations, information technology, finance and accounting, marketing and sales, administration and support, purchasing, and project management.
"Unfortunately, a lot of things are corroding in our society and we are aware that some of our vital functions have rusted a long time ago, such as industry, economics, production, all this in a land of forests and drinking water.
SONI's Natasha Sayee added: "One of our vital functions is to ensure the Northern Ireland economy has the power it needs for growing local businesses."
Andrzej Kubler, head of the Department of Anesthesiology and Intensive Therapy at Wroclaw University, said, "We had no experience with such a long-term maintenance of vital functions of a patient with irreversible brain damage."
During this period, civilians in Gaza will receive urgently needed humanitarian relief, and the opportunity to carry out vital functions, including burying the dead, taking care of the injured, and restocking food supplies," said the statement.
The surgery gets rid of the tumour without damaging any of these vital functions.
In addition, they carry out vital functions in caring for children, older persons and the sick.
alleviate his pain and keep all his vital functions going,'' said biologist Rafael Gutierrez.
As part of the agreement, Insituform will utilize several minority and woman owned businesses to perform vital functions supporting the installation of Insituform CIPR.
"All its economic, social and vital functions would be inexistent," he said, stressing the need to set an approach to the pension system and the social security which has been a priority for the Change and Reform parliamentary bloc.