Top 10 facts about the world. Tidal volume, simply stated, is the amount of air that is displaced during a standard inhalation or exhalation, in other words, the amount of air breathed in during a normal breath. It, along with all other measures of capacity in respiratory physiology, are measured using a device called a spirometer.
About Author. Franklin P. Jones (1908 - 1980) was a Philadelphia reporter, public relations executive and humorist. He wrote quips and quotes that entertained readers of major publications for years. Mr. Jones was known nationally during the 1940s and 50s for his column Put it this Way in the Saturday Evening Post.
If you have read a biography of John Paul Jones, you would know that he was a devoted Patriot who risked his life more than once for the American Cause.   If you are interested in the life and career of John Paul Jones, I would recommend reading John Paul Jones: A Sailor's Biography by Samuel Eliot Morison.