Explain how additional air is moved during a forced inspiration or expiration.
Explain how additional air is moved during a forced inspiration or expiration.
The respiratory system is comprised of organs and tissues that play role in breathing. It includes the airways, lungs, and blood vessels. These components work together to transport oxygen throughout the body while also removing waste gases such as carbon dioxide.
The diaphragm and external intercostal muscles flex during inspiration, causing the rib cage to stretch and migrate outward, and the thoracic cavity and lung capacity to expand. This causes air to be pulled into the lungs because of lower pressure within the lung than in the environment. The diaphragm and intercostals relax during expiration, causing the thorax and lungs to rebound. When the air pressure inside the lungs rises above that of the surrounding environment, the air is pushed out of the lungs. The internal intercostals and abdominal muscles, on the other hand, may be implicated in driving the air out of the lungs during forced exhalation.
The quantity of air that enters the lungs whenever a person breathes beyond the tidal volume is known as inspiratory reserve volume. The additional quantity of air that might depart with strong expiration after tidal expiration is known as expiratory reserve volume. The quantity of air remaining in the lungs after evacuating the expiratory reserve volume is known as residual volume.
Step by step
Solved in 3 steps
