{"id":3887,"date":"2023-01-09T10:45:00","date_gmt":"2023-01-09T10:45:00","guid":{"rendered":"https:\/\/7thclass.deltapublications.in\/?page_id=3887"},"modified":"2025-08-21T11:39:57","modified_gmt":"2025-08-21T11:39:57","slug":"s-10-c-how-do-we-breathe","status":"publish","type":"page","link":"https:\/\/7thclass.deltapublications.in\/index.php\/s-10-c-how-do-we-breathe\/","title":{"rendered":"S -10.c How Do We Breathe?"},"content":{"rendered":"\n<h2 class=\"wp-block-heading has-text-align-center has-text-color\" style=\"color:#00056d;text-transform:uppercase\"><strong>  How do we breathe?<\/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\/DAGAlWnbwoc\/ykt5No5tF7jDdUX4whPYFg\/watch?embed\" allowfullscreen=\"allowfullscreen\" allow=\"fullscreen\">\n  <\/iframe>\n<\/div>\n<a href=\"https:&#x2F;&#x2F;www.canva.com&#x2F;design&#x2F;DAGAlWnbwoc&#x2F;ykt5No5tF7jDdUX4whPYFg&#x2F;watch?utm_content=DAGAlWnbwoc&amp;utm_campaign=designshare&amp;utm_medium=embeds&amp;utm_source=link\" target=\"_blank\" rel=\"noopener\">how do we breathe<\/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-large-font-size\" style=\"color:#000060\"><strong>Definition of Breathing<\/strong><\/h3>\n\n\n\n<ul class=\"wp-block-list has-large-font-size\">\n<li>Breathing is the process of taking air into the lungs (inhalation) and expelling it (exhalation).<\/li>\n<\/ul>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"678\" height=\"381\" src=\"https:\/\/7thclass.deltapublications.in\/wp-content\/uploads\/2024\/10\/image.png\" alt=\"\" class=\"wp-image-14290\" style=\"aspect-ratio:1.779527559055118;width:552px;height:auto\" srcset=\"https:\/\/7thclass.deltapublications.in\/wp-content\/uploads\/2024\/10\/image.png 678w, https:\/\/7thclass.deltapublications.in\/wp-content\/uploads\/2024\/10\/image-300x169.png 300w\" sizes=\"auto, (max-width: 678px) 100vw, 678px\" \/><\/figure><\/div>\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-large-font-size\" style=\"color:#000060\"><strong>The Respiratory System<\/strong><\/h3>\n\n\n\n<ul class=\"wp-block-list has-large-font-size\">\n<li><strong>Main Organs<\/strong>: Includes the nose, pharynx, larynx, trachea, bronchi, and lungs.<\/li>\n\n\n\n<li><strong>Function<\/strong>: The respiratory system&#8217;s main function is to facilitate the exchange of oxygen and carbon dioxide.<\/li>\n<\/ul>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"840\" height=\"706\" src=\"https:\/\/7thclass.deltapublications.in\/wp-content\/uploads\/2024\/10\/image-1.png\" alt=\"\" class=\"wp-image-14291\" style=\"aspect-ratio:1.1898016997167138;width:414px;height:auto\" srcset=\"https:\/\/7thclass.deltapublications.in\/wp-content\/uploads\/2024\/10\/image-1.png 840w, https:\/\/7thclass.deltapublications.in\/wp-content\/uploads\/2024\/10\/image-1-300x252.png 300w, https:\/\/7thclass.deltapublications.in\/wp-content\/uploads\/2024\/10\/image-1-768x645.png 768w\" sizes=\"auto, (max-width: 840px) 100vw, 840px\" \/><\/figure><\/div>\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-large-font-size\" style=\"color:#000060\"><strong>Inhalation Process<\/strong><\/h3>\n\n\n\n<ul class=\"wp-block-list has-large-font-size\">\n<li><strong>Diaphragm Movement<\/strong>: When you inhale, the diaphragm (a dome-shaped muscle below the lungs) contracts and moves downwards, increasing the chest cavity&#8217;s volume.<\/li>\n\n\n\n<li><strong>Air Pressure<\/strong>: This creates a low-pressure area inside the lungs, causing air to flow in from outside.<\/li>\n\n\n\n<li><strong>Oxygen Intake<\/strong>: Fresh air enters the lungs, and oxygen from the air passes into the bloodstream.<\/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-large-font-size\" style=\"color:#000060\"><strong>Gas Exchange<\/strong><\/h3>\n\n\n\n<ul class=\"wp-block-list has-large-font-size\">\n<li><strong>Alveoli<\/strong>: Tiny air sacs in the lungs where gas exchange occurs.<\/li>\n\n\n\n<li><strong>Oxygen and Carbon Dioxide<\/strong>: Oxygen moves from the alveoli into the blood, and carbon dioxide moves from the blood into the alveoli to be exhaled.<\/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-large-font-size\" style=\"color:#000060\"><strong>Exhalation Process<\/strong><\/h3>\n\n\n\n<ul class=\"wp-block-list has-large-font-size\">\n<li><strong>Diaphragm Relaxation<\/strong>: When you exhale, the diaphragm relaxes and moves upwards, reducing the chest cavity&#8217;s volume.<\/li>\n\n\n\n<li><strong>Air Pressure Increase<\/strong>: This increases the pressure in the lungs, pushing air out of the lungs through the trachea and out of the mouth or nose.<\/li>\n\n\n\n<li><strong>Carbon Dioxide Release<\/strong>: The exhaled air contains carbon dioxide, a waste product of cellular respiration.<\/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-large-font-size\" style=\"color:#000060\"><strong>Importance of Breathing<\/strong><\/h3>\n\n\n\n<ul class=\"wp-block-list has-large-font-size\">\n<li><strong>Oxygen Supply<\/strong>: Essential for cellular respiration, which produces energy for body functions.<\/li>\n\n\n\n<li><strong>Carbon Dioxide Removal<\/strong>: Helps maintain the body&#8217;s pH balance and remove waste gases.<\/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-large-font-size\" style=\"color:#000060\"><strong>Factors Affecting Breathing<\/strong><\/h3>\n\n\n\n<ul class=\"wp-block-list has-large-font-size\">\n<li><strong>Physical Activity<\/strong>: Increased activity raises the breathing rate to supply more oxygen.<\/li>\n\n\n\n<li><strong>Health Conditions<\/strong>: Conditions like asthma, allergies, and infections can affect breathing.<\/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-large-font-size\" style=\"color:#000060\"><strong>Breathing and Circulation<\/strong><\/h3>\n\n\n\n<ul class=\"wp-block-list has-huge-font-size\">\n<li><strong>Circulatory System Connection<\/strong>: The respiratory and circulatory systems work together to transport oxygen to cells and remove carbon dioxide.<\/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-large-font-size\" style=\"color:#000060\"><strong>Maintaining Healthy Lungs<\/strong><\/h3>\n\n\n\n<ul class=\"wp-block-list has-large-font-size\">\n<li><strong>Avoiding Pollution<\/strong>: Minimize exposure to smoke and pollutants.<\/li>\n\n\n\n<li><strong>Exercise<\/strong>: Regular physical activity strengthens the respiratory muscles and improves lung capacity.<\/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\/79944\/610\/781\"><img loading=\"lazy\" decoding=\"async\" width=\"500\" height=\"500\" src=\"https:\/\/7thclass.deltapublications.in\/wp-content\/uploads\/2023\/03\/Worksheet-1-3-49.png\" alt=\"\" class=\"wp-image-5990\" srcset=\"https:\/\/7thclass.deltapublications.in\/wp-content\/uploads\/2023\/03\/Worksheet-1-3-49.png 500w, https:\/\/7thclass.deltapublications.in\/wp-content\/uploads\/2023\/03\/Worksheet-1-3-49-300x300.png 300w, https:\/\/7thclass.deltapublications.in\/wp-content\/uploads\/2023\/03\/Worksheet-1-3-49-150x150.png 150w, https:\/\/7thclass.deltapublications.in\/wp-content\/uploads\/2023\/03\/Worksheet-1-3-49-400x400.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\/79813\/813\/980\"><img loading=\"lazy\" decoding=\"async\" width=\"500\" height=\"500\" src=\"https:\/\/7thclass.deltapublications.in\/wp-content\/uploads\/2023\/03\/Worksheet-1-1-2-44.png\" alt=\"\" class=\"wp-image-5991\" srcset=\"https:\/\/7thclass.deltapublications.in\/wp-content\/uploads\/2023\/03\/Worksheet-1-1-2-44.png 500w, https:\/\/7thclass.deltapublications.in\/wp-content\/uploads\/2023\/03\/Worksheet-1-1-2-44-300x300.png 300w, https:\/\/7thclass.deltapublications.in\/wp-content\/uploads\/2023\/03\/Worksheet-1-1-2-44-150x150.png 150w, https:\/\/7thclass.deltapublications.in\/wp-content\/uploads\/2023\/03\/Worksheet-1-1-2-44-400x400.png 400w\" sizes=\"auto, (max-width: 500px) 100vw, 500px\" \/><\/a><\/figure>\n<\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>How do we breathe? how do we breathe by Delta publications Key Notes : Definition of Breathing The Respiratory System Inhalation Process Gas Exchange Exhalation Process Importance of Breathing Factors Affecting Breathing Breathing and Circulation Maintaining Healthy Lungs 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-3887","page","type-page","status-publish","hentry","entry"],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/7thclass.deltapublications.in\/index.php\/wp-json\/wp\/v2\/pages\/3887","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=3887"}],"version-history":[{"count":19,"href":"https:\/\/7thclass.deltapublications.in\/index.php\/wp-json\/wp\/v2\/pages\/3887\/revisions"}],"predecessor-version":[{"id":16869,"href":"https:\/\/7thclass.deltapublications.in\/index.php\/wp-json\/wp\/v2\/pages\/3887\/revisions\/16869"}],"wp:attachment":[{"href":"https:\/\/7thclass.deltapublications.in\/index.php\/wp-json\/wp\/v2\/media?parent=3887"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}