The Union Public Service Commission (UPSC) conducts several highly competitive and prestigious examinations to recruit candidates for various administrative positions in the Indian Civil Services. These exams are considered some of the most challenging entrance exams in India and are a gateway to a fulfilling and rewarding career in public service. In this article, we …
External respiration and internal respiration are two related but distinct processes involved in gas exchange in the body. External respiration, also known as pulmonary respiration, is the process of exchanging gases between the atmosphere and the lungs. It involves the intake of oxygen (O2) from the environment and the release of carbon dioxide (CO2) from …
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