Noun
vital function (plural vital functions)
(biology) Any function of the body that is essential for maintaining life, especially breathing and circulation.
Bearing in mind the fact that the brain is the most complex structure in the universe and that each part of brain has its own vital function, utmost care has to be taken in minimising the extent of removal to limit the functional disability. Source: Internet
BUCYRUS — The Ohio School Boards Association is celebrating School Board Recognition Month in an effort to build awareness and understanding of the vital function an elected board of education plays in our society. Source: Internet
Community health centers serve a vital function, providing affordable health care to our nation’s most vulnerable citizens. Source: Internet