{"id":3899,"date":"2023-01-09T10:46:28","date_gmt":"2023-01-09T10:46:28","guid":{"rendered":"https:\/\/7thclass.deltapublications.in\/?page_id=3899"},"modified":"2025-11-06T05:13:55","modified_gmt":"2025-11-06T05:13:55","slug":"s-11-b-excretion-in-animals","status":"publish","type":"page","link":"https:\/\/7thclass.deltapublications.in\/index.php\/s-11-b-excretion-in-animals\/","title":{"rendered":"S-11.b Excretion In Animals"},"content":{"rendered":"\n<h2 class=\"wp-block-heading has-text-align-center has-text-color\" style=\"color:#00056d;text-transform:uppercase\"><strong>Excretion In Animals<\/strong><\/h2>\n\n\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-9d6595d7 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:100%\">\n<div style=\"position: relative; width: 100%; height: 0; padding-top: 56.2500%;\n padding-bottom: 0; box-shadow: 0 2px 8px 0 rgba(63,69,81,0.16); margin-top: 1.6em; margin-bottom: 0.9em; overflow: hidden;\n border-radius: 8px; will-change: transform;\">\n  <iframe loading=\"lazy\" style=\"position: absolute; width: 100%; height: 100%; top: 0; left: 0; border: none; padding: 0;margin: 0;\"\n    src=\"https:\/\/www.canva.com\/design\/DAGAro0Ad2o\/WXlAAqJ4sqw38WJaxv3hLA\/watch?embed\" allowfullscreen=\"allowfullscreen\" allow=\"fullscreen\">\n  <\/iframe>\n<\/div>\n<a href=\"https:&#x2F;&#x2F;www.canva.com&#x2F;design&#x2F;DAGAro0Ad2o&#x2F;WXlAAqJ4sqw38WJaxv3hLA&#x2F;watch?utm_content=DAGAro0Ad2o&amp;utm_campaign=designshare&amp;utm_medium=embeds&amp;utm_source=link\" target=\"_blank\" rel=\"noopener\">excretion in animals<\/a> by Delta publications\n<\/div>\n<\/div>\n\n\n\n<p class=\"has-text-color has-huge-font-size\" style=\"color:#74008b\"><strong>Key Notes :<\/strong><\/p>\n\n\n\n<h3 class=\"wp-block-heading has-text-color has-link-color has-large-font-size wp-elements-afbc46e44da322644a8f90b5139645c0\" style=\"color:#000060\"><strong>What is Excretion?<\/strong><\/h3>\n\n\n\n<ul class=\"wp-block-list has-large-font-size\">\n<li>Excretion is the process by which animals remove waste products and harmful substances from their bodies.<\/li>\n\n\n\n<li>These waste products are generated during metabolism (the breakdown of food and energy).<\/li>\n\n\n\n<li>Excretion helps maintain the internal balance (homeostasis) of the body.<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity is-style-wide\"\/>\n\n\n\n<h3 class=\"wp-block-heading has-text-color has-link-color has-large-font-size wp-elements-bfc28da32ca0ca9d86061c041f72d1b6\" style=\"color:#000060\"><strong>Importance of Excretion<\/strong><\/h3>\n\n\n\n<ul class=\"wp-block-list has-large-font-size\">\n<li>Removes toxic substances (e.g., ammonia, urea).<\/li>\n\n\n\n<li>Regulates water and salt balance in the body.<\/li>\n\n\n\n<li>Helps in maintaining proper blood pressure and overall health.<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity is-style-wide\"\/>\n\n\n\n<h3 class=\"wp-block-heading has-text-color has-link-color has-large-font-size wp-elements-6ae7a0a32b69fcce808aa4ba2e221e34\" style=\"color:#000060\"><strong>Excretory Organs in Animals<\/strong><\/h3>\n\n\n\n<ul class=\"wp-block-list has-large-font-size\">\n<li><strong>Humans<\/strong>: The primary excretory organs are the kidneys, which filter waste from the blood and produce urine.<\/li>\n\n\n\n<li><strong>Fish<\/strong>: Excrete ammonia through gills, which dissolves in water.<\/li>\n\n\n\n<li><strong>Amphibians<\/strong>: Excrete urea through kidneys and skin.<\/li>\n\n\n\n<li><strong>Birds<\/strong>: Excrete uric acid as a paste to conserve water.<\/li>\n\n\n\n<li><strong>Insects<\/strong>: Excrete uric acid through specialized structures called Malpighian tubules.<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity is-style-wide\"\/>\n\n\n\n<h3 class=\"wp-block-heading has-text-color has-link-color has-large-font-size wp-elements-a3fd323525fcdafd4da26a07847c2159\" style=\"color:#000060\"><strong>Excretory System in Humans<\/strong><\/h3>\n\n\n\n<ul class=\"wp-block-list has-large-font-size\">\n<li><strong>Kidneys<\/strong>: Filter the blood, remove waste, and produce urine.<\/li>\n\n\n\n<li><strong>Ureters<\/strong>: Tubes that carry urine from the kidneys to the bladder.<\/li>\n\n\n\n<li><strong>Bladder<\/strong>: Stores urine until it is excreted.<\/li>\n\n\n\n<li><strong>Urethra<\/strong>: The tube through which urine is expelled from the body.<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity is-style-wide\"\/>\n\n\n\n<h3 class=\"wp-block-heading has-text-color has-link-color has-large-font-size wp-elements-e2492ad22db6bcdf83d2a06122dd74b6\" style=\"color:#000060\"><strong>Types of Excretion in Animals<\/strong><\/h3>\n\n\n\n<ul class=\"wp-block-list has-large-font-size\">\n<li><strong>Ammonotelic<\/strong>: Animals like fish excrete ammonia, which is highly toxic but soluble in water.<\/li>\n\n\n\n<li><strong>Ureotelic<\/strong>: Animals like mammals excrete urea, which is less toxic and requires more energy to produce.<\/li>\n\n\n\n<li><strong>Uricotelic<\/strong>: Animals like birds and reptiles excrete uric acid, which conserves water and is less toxic.<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity is-style-wide\"\/>\n\n\n\n<h3 class=\"wp-block-heading has-text-color has-link-color has-large-font-size wp-elements-d5c4aa32329675be4a74806471f03e70\" style=\"color:#000060\"><strong>Excretion in Different Animals<\/strong><\/h3>\n\n\n\n<ul class=\"wp-block-list has-large-font-size\">\n<li><strong>Invertebrates<\/strong>: Many invertebrates like insects and worms excrete waste through specialized cells or organs.<\/li>\n\n\n\n<li><strong>Fish<\/strong>: Excrete waste via gills and kidneys.<\/li>\n\n\n\n<li><strong>Amphibians<\/strong>: Excrete waste via kidneys and skin.<\/li>\n\n\n\n<li><strong>Birds<\/strong>: Excrete solid uric acid to conserve water.<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity is-style-wide\"\/>\n\n\n\n<h3 class=\"wp-block-heading has-text-color has-link-color has-large-font-size wp-elements-8ea0faec50561f2f5493e7356afe5465\" style=\"color:#000060\"><strong>Role of Excretion in Homeostasis<\/strong><\/h3>\n\n\n\n<ul class=\"wp-block-list has-large-font-size\">\n<li>Helps maintain the balance of essential substances such as water, salts, and pH in the body.<\/li>\n\n\n\n<li>Controls the concentration of substances in the blood, like sodium, potassium, and urea.<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity is-style-wide\"\/>\n\n\n\n<h3 class=\"wp-block-heading has-text-color has-link-color has-large-font-size wp-elements-877f90eaa53d5d25ea3717e13d4b1841\" style=\"color:#000060\"><strong>Excretion and Adaptation<\/strong><\/h3>\n\n\n\n<ul class=\"wp-block-list has-large-font-size\">\n<li><strong>Desert Animals<\/strong>: Animals in dry environments (e.g., camels) excrete minimal urine to conserve water.<\/li>\n\n\n\n<li><strong>Aquatic Animals<\/strong>: Excrete large amounts of waste dissolved in water due to the availability of water.<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity is-style-wide\"\/>\n\n\n\n<h3 class=\"wp-block-heading has-text-color has-link-color has-large-font-size wp-elements-f9d8b0f391e28574d0d7291819d5efcf\" style=\"color:#000060\"><strong>Diseases Related to Excretion<\/strong><\/h3>\n\n\n\n<ul class=\"wp-block-list has-large-font-size\">\n<li><strong>Kidney Disease<\/strong>: When kidneys fail to properly filter waste, it leads to conditions like kidney stones, infections, or kidney failure.<\/li>\n\n\n\n<li><strong>Uremia<\/strong>: A condition caused by the accumulation of urea in the blood when kidneys fail.<\/li>\n<\/ul>\n\n\n\n<p class=\"has-text-color has-large-font-size\" style=\"color:#d90000\"><strong>Let&#8217;s practice!<\/strong><\/p>\n\n\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-9d6595d7 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<figure class=\"wp-block-image size-full\"><a href=\"https:\/\/wordwall.net\/play\/80321\/715\/579\"><img loading=\"lazy\" decoding=\"async\" width=\"500\" height=\"500\" src=\"https:\/\/7thclass.deltapublications.in\/wp-content\/uploads\/2023\/03\/Worksheet-1-3-53.png\" alt=\"\" class=\"wp-image-6002\" srcset=\"https:\/\/7thclass.deltapublications.in\/wp-content\/uploads\/2023\/03\/Worksheet-1-3-53.png 500w, https:\/\/7thclass.deltapublications.in\/wp-content\/uploads\/2023\/03\/Worksheet-1-3-53-300x300.png 300w, https:\/\/7thclass.deltapublications.in\/wp-content\/uploads\/2023\/03\/Worksheet-1-3-53-150x150.png 150w, https:\/\/7thclass.deltapublications.in\/wp-content\/uploads\/2023\/03\/Worksheet-1-3-53-400x400.png 400w\" sizes=\"auto, (max-width: 500px) 100vw, 500px\" \/><\/a><\/figure>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<figure class=\"wp-block-image size-full\"><a href=\"https:\/\/wordwall.net\/play\/80477\/094\/262\"><img loading=\"lazy\" decoding=\"async\" width=\"500\" height=\"500\" src=\"https:\/\/7thclass.deltapublications.in\/wp-content\/uploads\/2023\/03\/Worksheet-1-1-2-48.png\" alt=\"\" class=\"wp-image-6003\" srcset=\"https:\/\/7thclass.deltapublications.in\/wp-content\/uploads\/2023\/03\/Worksheet-1-1-2-48.png 500w, https:\/\/7thclass.deltapublications.in\/wp-content\/uploads\/2023\/03\/Worksheet-1-1-2-48-300x300.png 300w, https:\/\/7thclass.deltapublications.in\/wp-content\/uploads\/2023\/03\/Worksheet-1-1-2-48-150x150.png 150w, https:\/\/7thclass.deltapublications.in\/wp-content\/uploads\/2023\/03\/Worksheet-1-1-2-48-400x400.png 400w\" sizes=\"auto, (max-width: 500px) 100vw, 500px\" \/><\/a><\/figure>\n<\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>Excretion In Animals excretion in animals by Delta publications Key Notes : What is Excretion? Importance of Excretion Excretory Organs in Animals Excretory System in Humans Types of Excretion in Animals Excretion in Different Animals Role of Excretion in Homeostasis Excretion and Adaptation Diseases Related to Excretion Let&#8217;s practice!<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"om_disable_all_campaigns":false,"footnotes":""},"class_list":["post-3899","page","type-page","status-publish","hentry","entry"],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/7thclass.deltapublications.in\/index.php\/wp-json\/wp\/v2\/pages\/3899","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/7thclass.deltapublications.in\/index.php\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/7thclass.deltapublications.in\/index.php\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/7thclass.deltapublications.in\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/7thclass.deltapublications.in\/index.php\/wp-json\/wp\/v2\/comments?post=3899"}],"version-history":[{"count":25,"href":"https:\/\/7thclass.deltapublications.in\/index.php\/wp-json\/wp\/v2\/pages\/3899\/revisions"}],"predecessor-version":[{"id":17546,"href":"https:\/\/7thclass.deltapublications.in\/index.php\/wp-json\/wp\/v2\/pages\/3899\/revisions\/17546"}],"wp:attachment":[{"href":"https:\/\/7thclass.deltapublications.in\/index.php\/wp-json\/wp\/v2\/media?parent=3899"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}