Control of ventilation. Control of ventilation refers to the physiological mechanisms involved in the control of physiologic ventilation, which refers to the movement of air into and out of the lungs. Ventilation facilitates respiration.
mindless - lacking the thinking capacity characteristic of a conscious being; the shrieking of the mindless wind. meaningless, nonmeaningful - having no meaning or direction or purpose; a meaningless endeavor; a meaningless life; a verbose but meaningless explanation.
Posted By Lynn Dessert on Mar 31, 2009 |. Tenacity, a leadership quality; probably least understood and underestimated. It is often abandoned when frustration or boredom sets in. According to the Merriam-Webster online dictionary, one definition of tenacious is: persistent in maintaining, adhering to, or seeking something valued or desired.