BREATHING OUT Meaning and
Definition
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Breathing out, also known as exhalation or expiration, refers to the physiological process by which an organism expels air or gases from the lungs, resulting in the release of carbon dioxide (CO2) along with other potentially harmful substances. This process allows the body to rid itself of waste products generated during cellular respiration and maintain the necessary oxygen-carbon dioxide balance.
During breathing out, the diaphragm and intercostal muscles relax, leading to the contraction of the chest cavity and an increase in pressure within the lungs. As a consequence, air is forced out of the respiratory system through the nose or mouth, expelling waste gases into the environment. This process is considered passive, as it generally does not require conscious effort, with the body's natural mechanical and muscular functions driving the expulsion of air.
Breathing out plays a crucial role in maintaining respiratory homeostasis, as it removes excess carbon dioxide while allowing for the subsequent inhalation of fresh oxygen-rich air during the subsequent inhalation (breathing in) phase. The exchange of gases achieved through breathing out aids in the efficient delivery of oxygen to cells and tissues throughout the body, supporting vital metabolic processes and overall physical health.
In summary, breathing out is the natural process during which an organism releases air from the lungs, expelling waste gases and maintaining a proper oxygen-carbon dioxide balance essential for sustaining life.
Common Misspellings for BREATHING OUT
- vreathing out
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Etymology of BREATHING OUT
The word "breathing out" is not derived from a specific etymology on its own. Instead, it can be dissected into two separate words: "breathing" and "out".
The word "breathing" originated from the Old English word "brǣþ", which means "breath" or "exhalation". It has Germanic roots related to the Old High German word "brado" and the Old Norse word "andrǣþi". Over time, "brǣþ" evolved into "breath" in Middle English, and eventually "breathing" as its verb form.
The word "out" comes from the Old English word "ūt", which means "the exterior" or "outside".
Similar spelling words for BREATHING OUT
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