{"id":3545,"date":"2022-12-12T01:22:53","date_gmt":"2022-12-12T01:22:53","guid":{"rendered":"https:\/\/2ndclass.deltapublications.in\/?page_id=3545"},"modified":"2025-08-09T05:11:14","modified_gmt":"2025-08-09T05:11:14","slug":"s-2-b-hearing","status":"publish","type":"page","link":"https:\/\/2ndclass.deltapublications.in\/index.php\/s-2-b-hearing\/","title":{"rendered":"s-2.b Hearing"},"content":{"rendered":"\n<h2 class=\"wp-block-heading has-text-align-center has-text-color has-huge-font-size\" style=\"color:#00056d;text-transform:uppercase\"><strong>Hearing<\/strong><\/h2>\n\n\n\n<figure class=\"wp-block-video\"><video controls src=\"https:\/\/2ndclass.deltapublications.in\/wp-content\/uploads\/2023\/12\/hearing.mp4\"><\/video><\/figure>\n\n\n\n<p class=\"has-text-color has-link-color has-huge-font-size wp-elements-0b44807c1042db8aacee5085531a14db\" style=\"color:#74008b\">keynotes:<\/p>\n\n\n\n<p class=\"has-text-color has-link-color has-normal-font-size wp-elements-7dbea88bafee849053177c0952d2197e\" style=\"color:#000060\"><strong>Introduction to Hearing:<\/strong><\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"588\" src=\"https:\/\/2ndclass.deltapublications.in\/wp-content\/uploads\/2024\/08\/image-4-1024x588.png\" alt=\"\" class=\"wp-image-18074\" style=\"width:381px;height:auto\" srcset=\"https:\/\/2ndclass.deltapublications.in\/wp-content\/uploads\/2024\/08\/image-4-1024x588.png 1024w, https:\/\/2ndclass.deltapublications.in\/wp-content\/uploads\/2024\/08\/image-4-300x172.png 300w, https:\/\/2ndclass.deltapublications.in\/wp-content\/uploads\/2024\/08\/image-4-768x441.png 768w, https:\/\/2ndclass.deltapublications.in\/wp-content\/uploads\/2024\/08\/image-4.png 1140w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure><\/div>\n\n\n<ul class=\"wp-block-list has-normal-font-size\">\n<li>Hearing is one of our five senses that helps us understand sounds around us.<\/li>\n\n\n\n<li>Our ears help us hear different sounds, like music, talking, and even birds chirping.<\/li>\n<\/ul>\n\n\n\n<p class=\"has-text-color has-normal-font-size\" style=\"color:#000060\"><strong>Parts of the Ear:<\/strong><\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"603\" src=\"https:\/\/2ndclass.deltapublications.in\/wp-content\/uploads\/2024\/08\/ba1e830d-1bb6-43a3-acf7-b3ddc0d0eedd.png\" alt=\"\" class=\"wp-image-18082\" style=\"width:353px;height:auto\" srcset=\"https:\/\/2ndclass.deltapublications.in\/wp-content\/uploads\/2024\/08\/ba1e830d-1bb6-43a3-acf7-b3ddc0d0eedd.png 1024w, https:\/\/2ndclass.deltapublications.in\/wp-content\/uploads\/2024\/08\/ba1e830d-1bb6-43a3-acf7-b3ddc0d0eedd-300x177.png 300w, https:\/\/2ndclass.deltapublications.in\/wp-content\/uploads\/2024\/08\/ba1e830d-1bb6-43a3-acf7-b3ddc0d0eedd-768x452.png 768w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure><\/div>\n\n\n<p class=\"has-text-color has-link-color has-normal-font-size wp-elements-a7a637dddb1ac7e3bfc019ac9e4b8dfe\" style=\"color:#000060\"><strong>Outer Ear:<\/strong><\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"750\" height=\"412\" src=\"https:\/\/2ndclass.deltapublications.in\/wp-content\/uploads\/2024\/08\/f681c85c-7cf0-41f7-a03c-0498c5ca9495.png\" alt=\"\" class=\"wp-image-18077\" style=\"width:417px;height:auto\" srcset=\"https:\/\/2ndclass.deltapublications.in\/wp-content\/uploads\/2024\/08\/f681c85c-7cf0-41f7-a03c-0498c5ca9495.png 750w, https:\/\/2ndclass.deltapublications.in\/wp-content\/uploads\/2024\/08\/f681c85c-7cf0-41f7-a03c-0498c5ca9495-300x165.png 300w\" sizes=\"auto, (max-width: 750px) 100vw, 750px\" \/><\/figure><\/div>\n\n\n<ul class=\"wp-block-list has-normal-font-size\">\n<li>The part of the ear you can see is called the pinna or auricle.<\/li>\n\n\n\n<li>The ear canal is a pathway that leads to the middle ear.<\/li>\n<\/ul>\n\n\n\n<p class=\"has-text-color has-link-color has-normal-font-size wp-elements-c0768e835c4c94ab6cc901d7f2a58680\" style=\"color:#000060\"><strong>Middle Ear:<\/strong><\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"632\" height=\"387\" src=\"https:\/\/2ndclass.deltapublications.in\/wp-content\/uploads\/2024\/08\/d4aa9701-71dc-4f1a-8a81-ad1fe7b6cf5c.jpg\" alt=\"\" class=\"wp-image-18078\" style=\"width:376px;height:auto\" srcset=\"https:\/\/2ndclass.deltapublications.in\/wp-content\/uploads\/2024\/08\/d4aa9701-71dc-4f1a-8a81-ad1fe7b6cf5c.jpg 632w, https:\/\/2ndclass.deltapublications.in\/wp-content\/uploads\/2024\/08\/d4aa9701-71dc-4f1a-8a81-ad1fe7b6cf5c-300x184.jpg 300w\" sizes=\"auto, (max-width: 632px) 100vw, 632px\" \/><\/figure><\/div>\n\n\n<ul class=\"wp-block-list has-normal-font-size\">\n<li>The eardrum or tympanic membrane is like a drum that vibrates when sound reaches it.<\/li>\n\n\n\n<li>Behind the eardrum are three tiny bones: the hammer, anvil, and stirrup.<\/li>\n<\/ul>\n\n\n\n<p class=\"has-text-color has-link-color has-normal-font-size wp-elements-aca8516405b0ecf9c180c32ecae56823\" style=\"color:#000060\"><strong>Inner Ear:<\/strong><\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"640\" height=\"512\" src=\"https:\/\/2ndclass.deltapublications.in\/wp-content\/uploads\/2024\/08\/image-7.png\" alt=\"\" class=\"wp-image-18080\" style=\"width:320px;height:auto\" srcset=\"https:\/\/2ndclass.deltapublications.in\/wp-content\/uploads\/2024\/08\/image-7.png 640w, https:\/\/2ndclass.deltapublications.in\/wp-content\/uploads\/2024\/08\/image-7-300x240.png 300w\" sizes=\"auto, (max-width: 640px) 100vw, 640px\" \/><\/figure><\/div>\n\n\n<ul class=\"wp-block-list has-normal-font-size\">\n<li>The cochlea is a snail-shaped part that helps turn vibrations into signals for the brain.<\/li>\n\n\n\n<li>The auditory nerve carries these signals to the brain, so we can understand what we&#8217;re hearing.<\/li>\n<\/ul>\n\n\n\n<p class=\"has-primary-color has-text-color has-normal-font-size\"><strong>How We Hear:<\/strong><\/p>\n\n\n\n<p class=\"has-text-color has-link-color has-normal-font-size wp-elements-d52e4de1496bda7cb55faef87f1c50dc\" style=\"color:#000060\"><strong>Sound Waves:<\/strong><\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"576\" src=\"https:\/\/2ndclass.deltapublications.in\/wp-content\/uploads\/2024\/08\/image-9-1024x576.png\" alt=\"\" class=\"wp-image-18085\" style=\"width:347px;height:auto\" srcset=\"https:\/\/2ndclass.deltapublications.in\/wp-content\/uploads\/2024\/08\/image-9-1024x576.png 1024w, https:\/\/2ndclass.deltapublications.in\/wp-content\/uploads\/2024\/08\/image-9-300x169.png 300w, https:\/\/2ndclass.deltapublications.in\/wp-content\/uploads\/2024\/08\/image-9-768x432.png 768w, https:\/\/2ndclass.deltapublications.in\/wp-content\/uploads\/2024\/08\/image-9-1536x863.png 1536w, https:\/\/2ndclass.deltapublications.in\/wp-content\/uploads\/2024\/08\/image-9-1568x881.png 1568w, https:\/\/2ndclass.deltapublications.in\/wp-content\/uploads\/2024\/08\/image-9.png 2003w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure><\/div>\n\n\n<ul class=\"wp-block-list has-normal-font-size\">\n<li>Sound is made up of tiny waves that travel through the air.<\/li>\n\n\n\n<li>These waves make our eardrum vibrate.<\/li>\n<\/ul>\n\n\n\n<p class=\"has-text-color has-link-color has-normal-font-size wp-elements-07df45837f65cbef2067887874997bec\" style=\"color:#000060\"><strong>Vibrations:<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>When the eardrum vibrates, it makes the tiny bones in our middle ear move too.<\/li>\n\n\n\n<li>These bones help the sound travel to the inner ear.<\/li>\n<\/ul>\n\n\n\n<p class=\"has-text-color has-link-color has-normal-font-size wp-elements-6c2b0af6019c296c950828be525d0600\" style=\"color:#000060\"><strong>Cochlea and Brain:<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>In the cochlea, tiny hair cells pick up the vibrations and send signals to the brain.<\/li>\n\n\n\n<li>Our brain then understands these signals as different sounds.<\/li>\n<\/ul>\n\n\n\n<p class=\"has-text-color has-link-color has-normal-font-size wp-elements-d2f769ecd7303b78d0e68320640c4c87\" style=\"color:#000060\"><strong>Taking Care of Our Ears:<\/strong><\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"416\" height=\"416\" src=\"https:\/\/2ndclass.deltapublications.in\/wp-content\/uploads\/2024\/08\/image-11.png\" alt=\"\" class=\"wp-image-18087\" style=\"width:338px;height:auto\" srcset=\"https:\/\/2ndclass.deltapublications.in\/wp-content\/uploads\/2024\/08\/image-11.png 416w, https:\/\/2ndclass.deltapublications.in\/wp-content\/uploads\/2024\/08\/image-11-300x300.png 300w, https:\/\/2ndclass.deltapublications.in\/wp-content\/uploads\/2024\/08\/image-11-150x150.png 150w, https:\/\/2ndclass.deltapublications.in\/wp-content\/uploads\/2024\/08\/image-11-400x400.png 400w\" sizes=\"auto, (max-width: 416px) 100vw, 416px\" \/><\/figure><\/div>\n\n\n<ul class=\"wp-block-list\">\n<li>We need to protect our ears from loud noises, like fireworks or very loud music, to keep them healthy.<\/li>\n\n\n\n<li>We should also clean our ears gently and not put anything too deep inside them.<\/li>\n<\/ul>\n\n\n\n<p class=\"has-text-color has-link-color has-normal-font-size wp-elements-3ff4a31210c5b19d0ee5fdba308cac0e\" style=\"color:#000060\"><strong>Conclusion:<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list has-normal-font-size\">\n<li>Hearing is an important sense that helps us enjoy the world of sounds around us.<\/li>\n\n\n\n<li>Our ears have different parts that work together to help us hear and understand sounds.<\/li>\n<\/ul>\n\n\n\n<div class=\"wp-block-columns has-background is-layout-flex wp-container-core-columns-is-layout-9d6595d7 wp-block-columns-is-layout-flex\" style=\"background-color:#ffef76\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:33.33%\">\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"500\" height=\"500\" src=\"https:\/\/2ndclass.deltapublications.in\/wp-content\/uploads\/2023\/09\/1-removebg-preview-5.png\" alt=\"\" class=\"wp-image-9272\" srcset=\"https:\/\/2ndclass.deltapublications.in\/wp-content\/uploads\/2023\/09\/1-removebg-preview-5.png 500w, https:\/\/2ndclass.deltapublications.in\/wp-content\/uploads\/2023\/09\/1-removebg-preview-5-300x300.png 300w, https:\/\/2ndclass.deltapublications.in\/wp-content\/uploads\/2023\/09\/1-removebg-preview-5-150x150.png 150w, https:\/\/2ndclass.deltapublications.in\/wp-content\/uploads\/2023\/09\/1-removebg-preview-5-400x400.png 400w\" sizes=\"auto, (max-width: 500px) 100vw, 500px\" \/><\/figure>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-vertically-aligned-center is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:66.66%\">\n<figure class=\"wp-block-audio\"><audio controls src=\"https:\/\/2ndclass.deltapublications.in\/wp-content\/uploads\/2023\/09\/1695364529258zf2yiv6-voicemaker.in-speech.mp3\"><\/audio><\/figure>\n<\/div>\n<\/div>\n\n\n\n<p class=\"has-text-color has-large-font-size\" style=\"color:#7e1483\">Let&#8217;s practice!\ud83d\udd8a\ufe0f <\/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\/76334\/251\/584\"><img loading=\"lazy\" decoding=\"async\" width=\"500\" height=\"500\" src=\"https:\/\/2ndclass.deltapublications.in\/wp-content\/uploads\/2023\/03\/Worksheet-1-3-89.png\" alt=\"\" class=\"wp-image-5959\" srcset=\"https:\/\/2ndclass.deltapublications.in\/wp-content\/uploads\/2023\/03\/Worksheet-1-3-89.png 500w, https:\/\/2ndclass.deltapublications.in\/wp-content\/uploads\/2023\/03\/Worksheet-1-3-89-300x300.png 300w, https:\/\/2ndclass.deltapublications.in\/wp-content\/uploads\/2023\/03\/Worksheet-1-3-89-150x150.png 150w, https:\/\/2ndclass.deltapublications.in\/wp-content\/uploads\/2023\/03\/Worksheet-1-3-89-400x400.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\/58997\/558\/940\"><img loading=\"lazy\" decoding=\"async\" width=\"500\" height=\"500\" src=\"https:\/\/2ndclass.deltapublications.in\/wp-content\/uploads\/2023\/03\/Worksheet-1-1-2-87.png\" alt=\"\" class=\"wp-image-5960\" srcset=\"https:\/\/2ndclass.deltapublications.in\/wp-content\/uploads\/2023\/03\/Worksheet-1-1-2-87.png 500w, https:\/\/2ndclass.deltapublications.in\/wp-content\/uploads\/2023\/03\/Worksheet-1-1-2-87-300x300.png 300w, https:\/\/2ndclass.deltapublications.in\/wp-content\/uploads\/2023\/03\/Worksheet-1-1-2-87-150x150.png 150w, https:\/\/2ndclass.deltapublications.in\/wp-content\/uploads\/2023\/03\/Worksheet-1-1-2-87-400x400.png 400w\" sizes=\"auto, (max-width: 500px) 100vw, 500px\" \/><\/a><\/figure>\n<\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>Hearing keynotes: Introduction to Hearing: Parts of the Ear: Outer Ear: Middle Ear: Inner Ear: How We Hear: Sound Waves: Vibrations: Cochlea and Brain: Taking Care of Our Ears: Conclusion: Let&#8217;s practice!\ud83d\udd8a\ufe0f<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-3545","page","type-page","status-publish","hentry","entry"],"_links":{"self":[{"href":"https:\/\/2ndclass.deltapublications.in\/index.php\/wp-json\/wp\/v2\/pages\/3545","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/2ndclass.deltapublications.in\/index.php\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/2ndclass.deltapublications.in\/index.php\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/2ndclass.deltapublications.in\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/2ndclass.deltapublications.in\/index.php\/wp-json\/wp\/v2\/comments?post=3545"}],"version-history":[{"count":24,"href":"https:\/\/2ndclass.deltapublications.in\/index.php\/wp-json\/wp\/v2\/pages\/3545\/revisions"}],"predecessor-version":[{"id":21868,"href":"https:\/\/2ndclass.deltapublications.in\/index.php\/wp-json\/wp\/v2\/pages\/3545\/revisions\/21868"}],"wp:attachment":[{"href":"https:\/\/2ndclass.deltapublications.in\/index.php\/wp-json\/wp\/v2\/media?parent=3545"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}