{"id":3889,"date":"2023-01-09T10:45:13","date_gmt":"2023-01-09T10:45:13","guid":{"rendered":"https:\/\/7thclass.deltapublications.in\/?page_id=3889"},"modified":"2025-08-21T11:40:22","modified_gmt":"2025-08-21T11:40:22","slug":"s-10-d-what-do-we-breathe-out","status":"publish","type":"page","link":"https:\/\/7thclass.deltapublications.in\/index.php\/s-10-d-what-do-we-breathe-out\/","title":{"rendered":"S-10.d What Do We Breathe Out?"},"content":{"rendered":"\n<h3 class=\"wp-block-heading has-text-align-center has-text-color\" style=\"color:#00056d;text-transform:uppercase\"><strong>What Do We Breathing out<\/strong>?<\/h3>\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\/DAGAlpD-87Q\/AKfVUvCuq2aPUTve1jiDmw\/watch?embed\" allowfullscreen=\"allowfullscreen\" allow=\"fullscreen\">\n  <\/iframe>\n<\/div>\n<a href=\"https:&#x2F;&#x2F;www.canva.com&#x2F;design&#x2F;DAGAlpD-87Q&#x2F;AKfVUvCuq2aPUTve1jiDmw&#x2F;watch?utm_content=DAGAlpD-87Q&amp;utm_campaign=designshare&amp;utm_medium=embeds&amp;utm_source=link\" target=\"_blank\" rel=\"noopener\">how do we breathe out<\/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<p class=\"has-text-color has-large-font-size\" style=\"color:#000060\"><strong>Respiration Process<\/strong>:<\/p>\n\n\n\n<ul class=\"wp-block-list has-large-font-size\">\n<li>Respiration is the process by which living organisms take in oxygen (O\u2082) and release carbon dioxide (CO\u2082).<\/li>\n\n\n\n<li>It involves inhaling air, extracting oxygen from it, and exhaling carbon dioxide as a waste product.<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity is-style-wide\"\/>\n\n\n\n<p class=\"has-text-color has-large-font-size\" style=\"color:#000060\"><strong>Composition of Air We Breathe In<\/strong>:<\/p>\n\n\n\n<ul class=\"wp-block-list has-large-font-size\">\n<li>Air consists of about 78% nitrogen, 21% oxygen, and small amounts of carbon dioxide (around 0.04%), water vapor, and other gases.<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity is-style-wide\"\/>\n\n\n\n<p class=\"has-text-color has-large-font-size\" style=\"color:#000060\"><strong>Composition of Air We Breathe Out<\/strong>:<\/p>\n\n\n\n<ul class=\"wp-block-list has-large-font-size\">\n<li>When we exhale, the composition changes. Exhaled air contains:\n<ul class=\"wp-block-list\">\n<li>Around 16% oxygen (some of it is used in the body, but not all).<\/li>\n\n\n\n<li>Around 4-5% carbon dioxide (a waste product from cellular respiration).<\/li>\n\n\n\n<li>Higher levels of water vapor compared to inhaled air.<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity is-style-wide\"\/>\n\n\n\n<p class=\"has-text-color has-large-font-size\" style=\"color:#000060\"><strong>Role of Oxygen<\/strong>:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li class=\"has-large-font-size\">Oxygen is essential for the process of cellular respiration. In our cells, oxygen helps convert glucose into energy, producing carbon dioxide and water as byproducts.<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity is-style-wide\"\/>\n\n\n\n<p class=\"has-text-color has-large-font-size\" style=\"color:#000060\"><strong>Carbon Dioxide as a Waste Product<\/strong>:<\/p>\n\n\n\n<ul class=\"wp-block-list has-large-font-size\">\n<li>Carbon dioxide is a byproduct of cellular respiration, which occurs in the mitochondria of cells.<\/li>\n\n\n\n<li>It is transported back to the lungs through the bloodstream and is expelled from the body when we exhale.<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity is-style-wide\"\/>\n\n\n\n<p class=\"has-text-color has-large-font-size\" style=\"color:#000060\"><strong>Other Gases<\/strong>:<\/p>\n\n\n\n<ul class=\"wp-block-list has-large-font-size\">\n<li>Along with carbon dioxide, we also exhale water vapor, which is why our breath can appear foggy on cold days.<\/li>\n\n\n\n<li>Nitrogen levels remain almost the same as in the air we inhale, as the body does not use it in the respiration process.<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity is-style-wide\"\/>\n\n\n\n<p class=\"has-text-color has-large-font-size\" style=\"color:#000060\"><strong>Importance of Carbon Dioxide<\/strong>:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li class=\"has-large-font-size\">Although CO\u2082 is a waste product, it plays an important role in maintaining the body&#8217;s pH balance.<\/li>\n\n\n\n<li class=\"has-large-font-size\">The brain monitors carbon dioxide levels to regulate breathing rate.<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity is-style-wide\"\/>\n\n\n\n<p class=\"has-text-color has-large-font-size\" style=\"color:#000060\"><strong>Breathing Cycle<\/strong>:<\/p>\n\n\n\n<ul class=\"wp-block-list has-large-font-size\">\n<li>The breathing process consists of two phases:\n<ul class=\"wp-block-list\">\n<li><strong>Inhalation<\/strong>: Taking in oxygen-rich air.<\/li>\n\n\n\n<li><strong>Exhalation<\/strong>: Releasing carbon dioxide-rich air.<\/li>\n<\/ul>\n<\/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\/79945\/412\/454\"><img loading=\"lazy\" decoding=\"async\" width=\"500\" height=\"500\" src=\"https:\/\/7thclass.deltapublications.in\/wp-content\/uploads\/2023\/03\/Worksheet-1-3-48.png\" alt=\"\" class=\"wp-image-5986\" srcset=\"https:\/\/7thclass.deltapublications.in\/wp-content\/uploads\/2023\/03\/Worksheet-1-3-48.png 500w, https:\/\/7thclass.deltapublications.in\/wp-content\/uploads\/2023\/03\/Worksheet-1-3-48-300x300.png 300w, https:\/\/7thclass.deltapublications.in\/wp-content\/uploads\/2023\/03\/Worksheet-1-3-48-150x150.png 150w, https:\/\/7thclass.deltapublications.in\/wp-content\/uploads\/2023\/03\/Worksheet-1-3-48-400x400.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\/79812\/253\/472\"><img loading=\"lazy\" decoding=\"async\" width=\"500\" height=\"500\" src=\"https:\/\/7thclass.deltapublications.in\/wp-content\/uploads\/2023\/03\/Worksheet-1-1-2-43.png\" alt=\"\" class=\"wp-image-5987\" srcset=\"https:\/\/7thclass.deltapublications.in\/wp-content\/uploads\/2023\/03\/Worksheet-1-1-2-43.png 500w, https:\/\/7thclass.deltapublications.in\/wp-content\/uploads\/2023\/03\/Worksheet-1-1-2-43-300x300.png 300w, https:\/\/7thclass.deltapublications.in\/wp-content\/uploads\/2023\/03\/Worksheet-1-1-2-43-150x150.png 150w, https:\/\/7thclass.deltapublications.in\/wp-content\/uploads\/2023\/03\/Worksheet-1-1-2-43-400x400.png 400w\" sizes=\"auto, (max-width: 500px) 100vw, 500px\" \/><\/a><\/figure>\n<\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>What Do We Breathing out? how do we breathe out by Delta publications Key Notes : Respiration Process: Composition of Air We Breathe In: Composition of Air We Breathe Out: Role of Oxygen: Carbon Dioxide as a Waste Product: Other Gases: Importance of Carbon Dioxide: Breathing Cycle: 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-3889","page","type-page","status-publish","hentry","entry"],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/7thclass.deltapublications.in\/index.php\/wp-json\/wp\/v2\/pages\/3889","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=3889"}],"version-history":[{"count":16,"href":"https:\/\/7thclass.deltapublications.in\/index.php\/wp-json\/wp\/v2\/pages\/3889\/revisions"}],"predecessor-version":[{"id":16870,"href":"https:\/\/7thclass.deltapublications.in\/index.php\/wp-json\/wp\/v2\/pages\/3889\/revisions\/16870"}],"wp:attachment":[{"href":"https:\/\/7thclass.deltapublications.in\/index.php\/wp-json\/wp\/v2\/media?parent=3889"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}