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Muscles that are helpful in expanding the thoracic cavity are called the inspiratory muscles because they help in inhalation. Those that compress the thoracic cavity are called expiratory muscles and they induce exhalation.
31 Αυγ 2023 · Breathing is one of the four components of respiration, the other three being gas diffusion, gas transport and regulation. The pathway towards the lungs is provided by airways and together, these components form the respiratory system, which is located inside the thoracic or chest cavity.
The process of inhalation and exhalation. Two important structures for breathing are the diaphragm and intercostal muscles. The diaphragm is a sheet of muscle that separates the chest (or...
Pulmonary ventilation consists of the process of inspiration (or inhalation), where air enters the lungs, and expiration (or exhalation), where air leaves the lungs. During inspiration, the diaphragm and external intercostal muscles contract, causing the rib cage to expand and move outward, and expanding the thoracic cavity and lung volume.
16 Ιουλ 2023 · The processes of inspiration and expiration are vital for providing oxygen to tissues and removing carbon dioxide from the body. Inspiration occurs via contraction of muscles such as the diaphragm whereas expiration tends to be passive at rest.
To explore the location and function of the diaphragm and intercostal muscles, take a look at the anatomical information and diagrams on this site (open the links in a new tab/window so you can easily return to this page):
Inhalation is initiated by the diaphragm and supported by the external intercostal muscles. Additional accessory muscles include sternocleidomastoid, platysma, the scalene muscles of the neck, pectoral muscles, and the latissimus dorsi.
