Air rushes in through the nose or mouth, traveling down the trachea, through the bronchial tubes, and into the alveoli (air sacs). Physiological Role
In conditions like Multiple Sclerosis (MS), muscle weakness can impair the diaphragm and chest muscles, resulting in shallow breathing or breathing difficulties.
These movements increase the size of the thoracic cavity, creating lower pressure (negative pressure) inside the lungs compared to the outside air. ms inhale
How the Lungs Work - What Breathing Does for the Body - nhlbi - NIH
Inhaling brings fresh oxygen into the bloodstream to support bodily functions. Air rushes in through the nose or mouth,
Pursed-lip breathing and other techniques can assist with managing shortness of breath. Inhalation Techniques and Devices
Muscles between the ribs contract, pulling the rib cage up and out. How the Lungs Work - What Breathing Does
Conditions like chronic obstructive pulmonary disease (COPD) or asthma can reduce the efficiency of inhalation.