{"id":86175,"date":"2025-06-01T03:39:33","date_gmt":"2025-06-01T03:39:33","guid":{"rendered":"https:\/\/exam.pscnotes.com\/mcq\/?p=86175"},"modified":"2025-06-01T03:39:33","modified_gmt":"2025-06-01T03:39:33","slug":"in-the-human-body-blood-flows-through-a-process-of-double-circulation","status":"publish","type":"post","link":"https:\/\/exam.pscnotes.com\/mcq\/in-the-human-body-blood-flows-through-a-process-of-double-circulation\/","title":{"rendered":"In the human body, blood flows through a process of double circulation"},"content":{"rendered":"<p>In the human body, blood flows through a process of double circulation. Which one of the following statements is true in this regard ?<\/p>\n<p>[amp_mcq option1=&#8221;Oxygenated blood reaches the left side of the heart from the lungs.&#8221; option2=&#8221;Blood in the left side of the heart is poor in oxygen and is brought to the right side of the heart.&#8221; option3=&#8221;Deoxygenated blood from the left side of the heart is brought to the lungs for oxygenation.&#8221; option4=&#8221;Oxygenated blood from the right side of the heart is sent around the body.&#8221; correct=&#8221;option1&#8243;]<\/p>\n<div class=\"psc-box-pyq-exam-year-detail\">\n<div class=\"pyq-exam\">\n<div class=\"psc-heading\">This question was previously asked in<\/div>\n<div class=\"psc-title line-ellipsis\">UPSC CDS-2 &#8211; 2021<\/div>\n<\/div>\n<div class=\"pyq-exam-psc-buttons\"><a href=\"\/pyq\/pyq-upsc-cds-2-2021.pdf\" target=\"_blank\" class=\"psc-pdf-button\" rel=\"noopener\">Download PDF<\/a><a href=\"\/pyq-upsc-cds-2-2021\" target=\"_blank\" class=\"psc-attempt-button\" rel=\"noopener\">Attempt Online<\/a><\/div>\n<\/div>\n<section id=\"pyq-correct-answer\">\nStatement A is true regarding double circulation in the human body. Oxygenated blood returns from the lungs via the pulmonary veins to the left atrium, then enters the left ventricle before being pumped to the rest of the body.<br \/>\n<\/section>\n<section id=\"pyq-key-points\">\nDouble circulation involves two separate loops: the pulmonary circulation (heart to lungs and back) and the systemic circulation (heart to the rest of the body and back). The right side of the heart handles deoxygenated blood, while the left side handles oxygenated blood.<br \/>\n<\/section>\n<section id=\"pyq-additional-information\">\nOption B is false because blood in the left side of the heart is rich in oxygen. Option C is false because deoxygenated blood from the right side of the heart goes to the lungs. Option D is false because oxygenated blood is pumped from the left side of the heart to the body.<br \/>\n<\/section>\n","protected":false},"excerpt":{"rendered":"<p>In the human body, blood flows through a process of double circulation. Which one of the following statements is true in this regard ? [amp_mcq option1=&#8221;Oxygenated blood reaches the left side of the heart from the lungs.&#8221; option2=&#8221;Blood in the left side of the heart is poor in oxygen and is brought to the right &#8230; <\/p>\n<p class=\"read-more-container\"><a title=\"In the human body, blood flows through a process of double circulation\" class=\"read-more button\" href=\"https:\/\/exam.pscnotes.com\/mcq\/in-the-human-body-blood-flows-through-a-process-of-double-circulation\/#more-86175\">Detailed Solution<span class=\"screen-reader-text\">In the human body, blood flows through a process of double circulation<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1088],"tags":[1110,1117,1126],"class_list":["post-86175","post","type-post","status-publish","format-standard","hentry","category-upsc-cds-2","tag-1110","tag-biology","tag-circulatory-system","no-featured-image-padding"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v22.2 (Yoast SEO v23.3) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>In the human body, blood flows through a process of double circulation<\/title>\n<meta name=\"description\" content=\"Statement A is true regarding double circulation in the human body. Oxygenated blood returns from the lungs via the pulmonary veins to the left atrium, then enters the left ventricle before being pumped to the rest of the body. Double circulation involves two separate loops: the pulmonary circulation (heart to lungs and back) and the systemic circulation (heart to the rest of the body and back). The right side of the heart handles deoxygenated blood, while the left side handles oxygenated blood.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/exam.pscnotes.com\/mcq\/in-the-human-body-blood-flows-through-a-process-of-double-circulation\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"In the human body, blood flows through a process of double circulation\" \/>\n<meta property=\"og:description\" content=\"Statement A is true regarding double circulation in the human body. Oxygenated blood returns from the lungs via the pulmonary veins to the left atrium, then enters the left ventricle before being pumped to the rest of the body. Double circulation involves two separate loops: the pulmonary circulation (heart to lungs and back) and the systemic circulation (heart to the rest of the body and back). The right side of the heart handles deoxygenated blood, while the left side handles oxygenated blood.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/exam.pscnotes.com\/mcq\/in-the-human-body-blood-flows-through-a-process-of-double-circulation\/\" \/>\n<meta property=\"og:site_name\" content=\"MCQ and Quiz for Exams\" \/>\n<meta property=\"article:published_time\" content=\"2025-06-01T03:39:33+00:00\" \/>\n<meta name=\"author\" content=\"rawan239\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"rawan239\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"1 minute\" \/>\n<!-- \/ Yoast SEO Premium plugin. -->","yoast_head_json":{"title":"In the human body, blood flows through a process of double circulation","description":"Statement A is true regarding double circulation in the human body. Oxygenated blood returns from the lungs via the pulmonary veins to the left atrium, then enters the left ventricle before being pumped to the rest of the body. Double circulation involves two separate loops: the pulmonary circulation (heart to lungs and back) and the systemic circulation (heart to the rest of the body and back). The right side of the heart handles deoxygenated blood, while the left side handles oxygenated blood.","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/exam.pscnotes.com\/mcq\/in-the-human-body-blood-flows-through-a-process-of-double-circulation\/","og_locale":"en_US","og_type":"article","og_title":"In the human body, blood flows through a process of double circulation","og_description":"Statement A is true regarding double circulation in the human body. Oxygenated blood returns from the lungs via the pulmonary veins to the left atrium, then enters the left ventricle before being pumped to the rest of the body. Double circulation involves two separate loops: the pulmonary circulation (heart to lungs and back) and the systemic circulation (heart to the rest of the body and back). The right side of the heart handles deoxygenated blood, while the left side handles oxygenated blood.","og_url":"https:\/\/exam.pscnotes.com\/mcq\/in-the-human-body-blood-flows-through-a-process-of-double-circulation\/","og_site_name":"MCQ and Quiz for Exams","article_published_time":"2025-06-01T03:39:33+00:00","author":"rawan239","twitter_card":"summary_large_image","twitter_misc":{"Written by":"rawan239","Est. reading time":"1 minute"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"WebPage","@id":"https:\/\/exam.pscnotes.com\/mcq\/in-the-human-body-blood-flows-through-a-process-of-double-circulation\/","url":"https:\/\/exam.pscnotes.com\/mcq\/in-the-human-body-blood-flows-through-a-process-of-double-circulation\/","name":"In the human body, blood flows through a process of double circulation","isPartOf":{"@id":"https:\/\/exam.pscnotes.com\/mcq\/#website"},"datePublished":"2025-06-01T03:39:33+00:00","dateModified":"2025-06-01T03:39:33+00:00","author":{"@id":"https:\/\/exam.pscnotes.com\/mcq\/#\/schema\/person\/5807dafeb27d2ec82344d6cbd6c3d209"},"description":"Statement A is true regarding double circulation in the human body. Oxygenated blood returns from the lungs via the pulmonary veins to the left atrium, then enters the left ventricle before being pumped to the rest of the body. Double circulation involves two separate loops: the pulmonary circulation (heart to lungs and back) and the systemic circulation (heart to the rest of the body and back). The right side of the heart handles deoxygenated blood, while the left side handles oxygenated blood.","breadcrumb":{"@id":"https:\/\/exam.pscnotes.com\/mcq\/in-the-human-body-blood-flows-through-a-process-of-double-circulation\/#breadcrumb"},"inLanguage":"en-US","potentialAction":[{"@type":"ReadAction","target":["https:\/\/exam.pscnotes.com\/mcq\/in-the-human-body-blood-flows-through-a-process-of-double-circulation\/"]}]},{"@type":"BreadcrumbList","@id":"https:\/\/exam.pscnotes.com\/mcq\/in-the-human-body-blood-flows-through-a-process-of-double-circulation\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https:\/\/exam.pscnotes.com\/mcq\/"},{"@type":"ListItem","position":2,"name":"UPSC CDS-2","item":"https:\/\/exam.pscnotes.com\/mcq\/category\/upsc-cds-2\/"},{"@type":"ListItem","position":3,"name":"In the human body, blood flows through a process of double circulation"}]},{"@type":"WebSite","@id":"https:\/\/exam.pscnotes.com\/mcq\/#website","url":"https:\/\/exam.pscnotes.com\/mcq\/","name":"MCQ and Quiz for Exams","description":"","potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/exam.pscnotes.com\/mcq\/?s={search_term_string}"},"query-input":"required name=search_term_string"}],"inLanguage":"en-US"},{"@type":"Person","@id":"https:\/\/exam.pscnotes.com\/mcq\/#\/schema\/person\/5807dafeb27d2ec82344d6cbd6c3d209","name":"rawan239","image":{"@type":"ImageObject","inLanguage":"en-US","@id":"https:\/\/exam.pscnotes.com\/mcq\/#\/schema\/person\/image\/","url":"https:\/\/secure.gravatar.com\/avatar\/761a7274f9cce048fa5b921221e7934820d74514df93ef195a9d22af0c1c9001?s=96&d=mm&r=g","contentUrl":"https:\/\/secure.gravatar.com\/avatar\/761a7274f9cce048fa5b921221e7934820d74514df93ef195a9d22af0c1c9001?s=96&d=mm&r=g","caption":"rawan239"},"sameAs":["https:\/\/exam.pscnotes.com"],"url":"https:\/\/exam.pscnotes.com\/mcq\/author\/rawan239\/"}]}},"amp_enabled":true,"_links":{"self":[{"href":"https:\/\/exam.pscnotes.com\/mcq\/wp-json\/wp\/v2\/posts\/86175","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/exam.pscnotes.com\/mcq\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/exam.pscnotes.com\/mcq\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/exam.pscnotes.com\/mcq\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/exam.pscnotes.com\/mcq\/wp-json\/wp\/v2\/comments?post=86175"}],"version-history":[{"count":0,"href":"https:\/\/exam.pscnotes.com\/mcq\/wp-json\/wp\/v2\/posts\/86175\/revisions"}],"wp:attachment":[{"href":"https:\/\/exam.pscnotes.com\/mcq\/wp-json\/wp\/v2\/media?parent=86175"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/exam.pscnotes.com\/mcq\/wp-json\/wp\/v2\/categories?post=86175"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/exam.pscnotes.com\/mcq\/wp-json\/wp\/v2\/tags?post=86175"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}