Ventilation: The Vital Gas Exchange Process For Optimal Breathing
Ventilation, the process of gas exchange between the lungs and atmosphere, involves two crucial phases: inspiration and expiration. Inspiration, or inhaling, occurs when the diaphragm and intercostal muscles contract, expanding the chest cavity. This creates negative pressure, drawing air into the lungs. Expiration, or exhaling, follows as the diaphragm and intercostal muscles relax, reducing chest cavity volume. This generates positive pressure, expelling carbon dioxide-rich air. Ventilation is essential for oxygen uptake and carbon dioxide removal, ensuring proper metabolic function and overall health.
