respirative

For what in our common apprehension is, to breathe in the air and to breathe it out again, which we do daily: so much is it and no more, at once to breathe out all thy respirative faculty into that common air from whence but lately (as being but from yesterday, and to-day), thou didst first breathe it in, and with it, life.

Meditations Emperor of Rome Marcus Aurelius

But the same kind of clinical and experimental observations show that alcohol directly diminishes the functional activity of all nerve structures, pre-eminently those of respiration and circulation, and also of all metabolic processes, whether respirative, disintegrative or secretory.

Alcohol: A Dangerous and Unnecessary Medicine, How and Why What Medical Writers Say Martha Meir Allen 1890