TY - CHAP M1 - Book, Section TI - Mechanics of Breathing A1 - Levitzky, Michael G. A2 - Levitzky, Michael A2 - McDonough, Kathleen A2 - Kaye, Alan David A2 - Hall, Stanley PY - 2021 T2 - Clinical Physiology in Anesthetic Practice AB - Air, like other fluids, moves from a region of higher pressure to one of lower pressure. Therefore, for air to be moved into or out of the lungs, a pressure difference between the atmosphere and the alveoli must be established. If there is no pressure gradient, no airflow occurs. SN - PB - McGraw Hill CY - New York, NY Y2 - 2024/03/28 UR - accessanesthesiology.mhmedical.com/content.aspx?aid=1175534848 ER -