https://geniusjournals.org/index.php/erb/issue/feed 2025-05-16T07:16:15+00:00 Open Journal Systems <p><strong>Eurasian Research Bulletin (ERB</strong><strong>)</strong> is an Open Access, Peer Reviewed, International, Refereed, Scientific Journal that publishes original research and review articles related to diverse research in multidisciplinary areas.</p> <p>The main objective of <strong>Eurasian Research Bulletin (ERB) is</strong> to offer an intellectual platform to the international scholars and it aims to promote interdisciplinary studies. All manuscripts must be prepared in English language and subject to a rigorous peer-review process. The scope of the journal is not limited to</p> <ul> <li>Biological Sciences (BIO)</li> <li>Computer and Information Science and Engineering (CISE)</li> <li>Education and Human Resources (EHR)</li> <li>Engineering (ENG)</li> <li>Environmental Research and Education (ERE)</li> <li>Geosciences (GEO)</li> <li>Integrative Activities (OIA)</li> <li>International Science and Engineering (OISE)</li> <li>Mathematical and Physical Sciences (MPS)</li> <li>Social, Behavioural and Economic Sciences (SBE)</li> <li>Entrepreneurship and Innovations (EI)</li> <li>Data Science and Artificial Intelligence (AI)</li> <li>Robotics and Automation (RA)</li> </ul> <p><strong>ISSN (E):</strong> 2795-7675</p> <p><strong>Journal Impact Factor:</strong> 7.995</p> https://geniusjournals.org/index.php/erb/article/view/6846 2025-05-16T07:16:15+00:00 Turdiyeva O.M Turdiyeva@gmail.com O’ktamova J. A O’ktamova@gail.com

<p>The heart provides blood circulation. The heart is divided into the “left heart” and the “right heart”. Each of them consists of a ventricle and a chamber. The blood leaves the capillaries, flows to the right heart and goes to the lungs. The blood is saturated with oxygen in the lungs and returns to the left heart, which distributes the blood to the entire body. The movement of blood from the right heart to the left heart through the pulmonary blood vessels constitutes the pulmonary circulation, that is, the small blood circulation. The blood supply of the remaining organs is called the systemic circulation or the large blood circulation. These two sections combine to form a single circulatory system. The pumping of blood by the heart is carried out by successive relaxation (diastole) and contraction (systole) During diastole, the atria and ventricles fill with blood, and during systole, blood is ejected from the ventricles into the large arteries, the aorta and pulmonary artery. At the exit of these arteries from the heart, there are semilunar valves that prevent blood from returning to the heart</p>

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