{"id":140523,"date":"2024-09-19T10:31:19","date_gmt":"2024-09-19T10:31:19","guid":{"rendered":"https:\/\/learnexams.com\/blog\/?p=140523"},"modified":"2024-09-19T10:31:21","modified_gmt":"2024-09-19T10:31:21","slug":"what-is-the-largest-organ-in-the-human-body-by-surface-area-2","status":"publish","type":"post","link":"https:\/\/www.learnexams.com\/blog\/2024\/09\/19\/what-is-the-largest-organ-in-the-human-body-by-surface-area-2\/","title":{"rendered":"What is the largest organ in the human body by surface area"},"content":{"rendered":"\n<p>What is the largest organ in the human body by surface area?<\/p>\n\n\n\n<p>A.<br>Brain<\/p>\n\n\n\n<p>B.<br>Heart<\/p>\n\n\n\n<p>C.<br>Liver<\/p>\n\n\n\n<p>D.<br>Skin<\/p>\n\n\n\n<p><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-ast-global-color-6-color\"><strong>The correct answer and Explanation is :<\/strong><\/mark><\/p>\n\n\n\n<p>The largest organ in the human body by surface area is <strong>D. Skin<\/strong>.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Explanation<\/h3>\n\n\n\n<p>The skin, also known as the integumentary system, is the body&#8217;s largest organ in terms of surface area. It covers and protects the entire external surface of the body and serves as a barrier to the external environment. On average, the adult human skin has a surface area of approximately 1.5 to 2 square meters (16 to 22 square feet).<\/p>\n\n\n\n<p><strong>Functions of the Skin:<\/strong><\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>Protection:<\/strong> The skin acts as a protective barrier against physical damage, pathogens, and harmful substances. It also prevents dehydration by minimizing water loss.<\/li>\n\n\n\n<li><strong>Temperature Regulation:<\/strong> Through the processes of sweating and blood vessel dilation or constriction, the skin helps regulate body temperature.<\/li>\n\n\n\n<li><strong>Sensory Perception:<\/strong> It contains a variety of sensory receptors that detect touch, pain, pressure, and temperature, which help in interacting with the environment.<\/li>\n\n\n\n<li><strong>Synthesis of Vitamin D:<\/strong> When exposed to sunlight, the skin synthesizes vitamin D, which is crucial for calcium absorption and bone health.<\/li>\n\n\n\n<li><strong>Excretion:<\/strong> The skin excretes small amounts of waste products through sweat.<\/li>\n<\/ol>\n\n\n\n<p><strong>Comparison with Other Organs:<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Brain:<\/strong> While the brain is a vital organ, its surface area is much smaller compared to the skin. It is well-protected inside the skull and does not cover as much surface area as the skin.<\/li>\n\n\n\n<li><strong>Heart:<\/strong> The heart, an essential organ for pumping blood throughout the body, is relatively small compared to the skin. It is also located within the thoracic cavity and does not have a large surface area.<\/li>\n\n\n\n<li><strong>Liver:<\/strong> The liver is a large organ with many crucial functions such as detoxification and metabolism, but it is internal and does not cover as much surface area as the skin.<\/li>\n<\/ul>\n\n\n\n<p>Overall, the skin&#8217;s extensive surface area is critical for its multifaceted roles in protecting and maintaining the body&#8217;s internal environment.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>What is the largest organ in the human body by surface area? A.Brain B.Heart C.Liver D.Skin The correct answer and Explanation is : The largest organ in the human body by surface area is D. Skin. Explanation The skin, also known as the integumentary system, is the body&#8217;s largest organ in terms of surface area. [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"categories":[25],"tags":[],"class_list":["post-140523","post","type-post","status-publish","format-standard","hentry","category-exams-certification"],"_links":{"self":[{"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/posts\/140523","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/comments?post=140523"}],"version-history":[{"count":0,"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/posts\/140523\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/media?parent=140523"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/categories?post=140523"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/tags?post=140523"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}