{"id":7222,"date":"2019-06-13T13:48:03","date_gmt":"2019-06-13T11:48:03","guid":{"rendered":"https:\/\/happylearning.tv\/the-human-heart\/"},"modified":"2020-02-24T10:10:49","modified_gmt":"2020-02-24T09:10:49","slug":"the-human-heart","status":"publish","type":"post","link":"https:\/\/happylearning.tv\/en\/the-human-heart\/","title":{"rendered":"The Human Heart"},"content":{"rendered":"<div itemscope itemtype=\"http:\/\/schema.org\/VideoObject\"><meta itemprop=\"name\" content=\"The Human Heart\"><meta itemprop=\"thumbnailUrl\" content=\"https:\/\/vod-origin.globalmest.net\/EyDmR5\/JwVXmR\/JwVXmR-320.jpg\"><meta itemprop=\"contentUrl\" content=\"https:\/\/account.globalmest.com\/wQkdyd\/JwVXmR.html\"><script type=\"application\/javascript\" src=\"https:\/\/account.globalmest.com\/wQkdyd\/JwVXmR.js\"><\/script><\/div><p><strong>Share<\/strong><\/p>\n<p style=\"text-align: left;\"><strong>Watch in a different language<\/strong><\/p>\n<p>Spanish<span style=\"font-size: 14pt;\">You also might like this&#8230;<\/span><\/p>\n<h2 style=\"text-align: justify;\">The Human Heart.<\/h2>\n<p>Hello Friends, welcome to a new Happy Learning Video. Today, we\u2019re going to get to know the engine in our body, today we\u2019re going to get to know the human heart.<\/p>\n<p>The heart is the most special muscle which we have. It\u2019s situated a little to the left from the center of our chest, between our lungs and is in an oblique position, positioned diagonally.<\/p>\n<p>We say that it\u2019s very special because it sends blood all over our body. Blood delivers oxygen and nutrients we need to live to all of our cells.<\/p>\n<p>Our heart is a type of pump, like the ones we use to inflate the wheels on our bikes, the only thing is, that instead of pumping air, it pumps blood.<\/p>\n<p>The heart is divided into two parts. The right part and the left part, separated by a cellular wall, so they are not connected internally.<\/p>\n<p>Each one of these parts has two chambers or cavities. The upper cavities are called right and left atrium. And the lower cavities are called right and left ventricle. The heart also has four kind of doors which are called valves. These valves open to let blood in and then they close so this blood can\u2019t go back.<\/p>\n<p>Now we\u2019ve got to know the most important parts of the heart. But\u2026 Do you know how it works?<\/p>\n<p>It all commences, in the right atrium, where the deoxygenated blood, meaning it has very little oxygen and nutrients, it enters the heart, then it goes past the first valve up to the right ventricle. Once it is here, the heart sends the blood directly to the lungs. And it\u2019s in this moment, where the blood is oxygenated and is filled with oxygen and nutrients. When it is already oxygenated, it goes back to the heart reaching the left atrium, from where it will pass through the third valve until the last cavity, the left ventricle. Finally, the heart sends this now oxygenated blood through the fourth and last valve towards the rest of the body\u2026 and it starts again!!!<br \/>\nTo understand how our heart beats, we only need to imagine that our hand is a heart and that when it opens up it fills up with blood, and when it\u2019s closed it pumps that blood outwards.<\/p>\n<p>When blood exits our heart, it flows through our whole body through blood vessels and there are three types: arteries, veins and capillary vessels.<br \/>\nArteries deliver oxygen and nutrient rich blood to all organs in our body, veins take that blood, low in oxygen, back to the heart and the capillary vessels, which are very small, connect arteries with veins and cells.<\/p>\n<p>Fun Fact! Do you know approximately how much a human heart weighs? Well it\u2019s 450 grams, almost half a kilo.<\/p>\n<p>The truth is that the heart is the engine in our circulatory system and is an incredibly strong muscle, it\u2019s able to beat more than 100 thousand times a day. So cool!!!<\/p>\n<p>We can\u2019t say goodbye without giving you a tip! WE need to take care of our hear and that\u2019s why we need to do physical exercise, we need to eat healthy foods, and please, never ever smoke, it\u2019s the worst thing you can do to hurt your heart.<\/p>\n<p>Goodbye Happy Friends! See you in the next Happy Learning Video!<\/p>\n","protected":false},"excerpt":{"rendered":"<p>The heart is the most special muscle which we have.  Do you know approximately how much a human heart weighs?<\/p>\n","protected":false},"author":2,"featured_media":5144,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[1335,1309,1342],"tags":[],"class_list":["post-7222","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-living-beings","category-natural-sciences","category-the-human-body"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.2 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>The Human Heart | Happy Learning<\/title>\n<meta name=\"description\" content=\"Welcome to a new Happy Learning Video. 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