Question
Question 1(A) The pleural cavity is a hollow space where the lungs expand into during the process of inhalation. Air, therefore, enters the body through the nose or the mouth then it travels through the trachea that is divided into two bronchi hence reaching the lungs (Karin C. VanMeter, 2013). (B) In a flail chest, the sequence followed while breathing in, is not a normal one. Air from the atmosphere enters the body from a high concentration to low concentration. When it reaches the chest, unusual events take place and as the diaphragm tires; the accessory muscles undertake a larger ...
