The essential function of jurors is to act as witnesses to justice and to confirm the public's recognition of the mechanisms of the law.

ECONOMIST: Letters

And the fact is, it was simply a matter of the agency could not act and function without having the requisite number of board members.

WHITEHOUSE: Press Briefing

Chemo-radiotherapy specifically degrades muscle mass, and depresses the function of mitochondria, the tiny structures that act as the boiler room of the cell, generating energy.

BBC: Could fitness be key to cancer surgery success?

They are based on the belief that the main legislative function of the non-elected House is to act as a chamber of revision, complementing but not rivalling the elected House.

BBC: Passage through the other House

This wouldn't be able to replicate the function of the vestibular system, but it could act like a pacemaker for people who have attacks that make the vestibular system go haywire, like sufferers of Meniere's disease.

FORBES: Magazine Article

Dr Pearson said that if Vitamins C and E were shown to be effective in helping asthma sufferers, they might also act to slow deterioration of lung function in other people.

BBC: Apples 'protect the lungs'