{"page":"\u003clink rel=\"stylesheet\" href=\"https://lessonplanet.com/assets/packs/css/resources-572d6a42.css\" /\u003e\n\u003clink rel=\"stylesheet\" href=\"https://lessonplanet.com/assets/packs/css/lp_boclips_stylesheets-f4d0de30.css\" media=\"all\" /\u003e\n\u003cdiv data-title='BIOLOGY - Physiology - Lymphatic system' data-url='/boclips/videos/60c366c95559f52679622a4e' data-video-url='/boclips/videos/60c366c95559f52679622a4e' id='bo_player_modal'\u003e\n\u003cdiv class='boclips-resource-page modal-dialog panel-container'\u003e\n\u003cdiv class='react-notifications-root'\u003e\u003c/div\u003e\n\u003cdiv class='rp-header'\u003e\n\u003cdiv class='rp-type'\u003e\n\u003ci aria-hidden='true' class='fai fa-regular fa-circle-play'\u003e\u003c/i\u003e\nVideo\n\u003c/div\u003e\n\u003ch1 class='rp-title' id='video-title'\u003e\nBIOLOGY - Physiology - Lymphatic system\n\u003c/h1\u003e\n\u003cdiv class='rp-actions'\u003e\n\u003cdiv class='mr-1'\u003e\n\u003ca class=\"btn btn-success\" data-posthog-event=\"Signup: LP Signup Activity\" data-posthog-location=\"body_link_boclips\" data-remote=\"true\" href=\"/subscription/new\"\u003e\u003cspan\u003e\u003cspan\u003eGet Free Access\u003c/span\u003e\u003cspan class=\"\"\u003e for 10 Days\u003c/span\u003e\u003cspan\u003e!\u003c/span\u003e\u003c/span\u003e\u003c/a\u003e\n\u003c/div\u003e\n\u003c/div\u003e\n\u003c/div\u003e\n\u003cdiv class='rp-body'\u003e\n\u003cdiv class='rp-info'\u003e\n\u003cdiv aria-label='Hide resource details' class='rp-hide-info' role='button' tabindex='0'\u003e\u0026times;\u003c/div\u003e\n\u003ci aria-label='Expand resource details' class='rp-expand-info fai fa-solid fa-up-right-and-down-left-from-center' role='button' tabindex='0'\u003e\u003c/i\u003e\n\u003ci aria-label='Compress resource details' class='rp-compress-info fai fa-solid fa-down-left-and-up-right-to-center' role='button' tabindex='0'\u003e\u003c/i\u003e\n\u003cdiv class='rp-rating'\u003e\n\u003cspan class='resource-pool'\u003e\n\u003cspan class='pool-label'\u003ePublisher:\u003c/span\u003e\n\u003cspan class='pool-name'\u003e\n\u003cspan class='text'\u003e\u003ca data-publisher-id=\"30356647\" href=\"/search?publisher_ids%5B%5D=30356647\"\u003eFuseSchool\u003c/a\u003e\u003c/span\u003e\n\u003c/span\u003e\n\u003c/span\u003e\n\u003c/div\u003e\n\u003cdiv class='rp-description'\u003e\n\u003cspan class='short-description'\u003eDid you know your body has its own version of a sewer system, for removing unwanted toxins, waste and excess water from the body? This is called our lymphatic system. Like our blood circulation, the lymphatic system is made up of...\u003c/span\u003e\n\u003cspan class='full-description hide'\u003eDid you know your body has its own version of a sewer system, for removing unwanted toxins, waste and excess water from the body? This is called our lymphatic system. Like our blood circulation, the lymphatic system is made up of millions of little vessels that branch all around our body. But whereas arteries and veins carry blood, the lymphatic vessels are much, much finer and carry a colourless fluid called lymph. Our lymphatic system has 3 main duties: ONE: it contains white blood cells called lymphocytes, which are used to fight infection TWO: it acts as a one way drainage system, transporting fluid from body tissues into the blood circulation THREE: it gets rid of waste products produced by cells As blood circulates the body, plasma leaves the blood vessels and travels into the body tissues, delivering food, oxygen and hormones to the cells. This plasma becomes tissue fluid, and surrounds all of our body’s tissues. It then collects waste products, excess water and toxins from the cells. 90% of this fluid passes back into the blood circulation, however 10% of the fluid is left behind and is known as lymph. We therefore need a system to drain this lymph fluid, so that we don’t end up as a swollen fluid filled balloon - hence the lymphatic system... The lymph fluid drains into lymph vessels, where it then travels to lymph nodes, which are found all around your body. To stop back-flow, the lymph vessels have one-way valves and muscular walls that contract to force the lymph forward. This is happening in millions of little lymphatic vessels in your body every minute of every day! The lymph nodes filter the lymph, destroying or trapping anything harmful. The lymph nodes contain white blood cells called lymphocytes, which attack and break down bacteria, viruses, damaged cells or cancer cells. This filtering and destroying is an important part of our immune system, and stops nasty substances from being fed back into our bloodstream which would make us sick. The waste products and destroyed bacteria are then carried in the lymph fluid through larger lymph vessels up to your neck, where the thoracic duct empties the lymph back into the blood circulation. The bloodstream then removes the waste products from the body, as it does with other waste. As well as the lymph fluid, lymph vessels and lymph nodes, our lymphatic system also includes a few organs: the spleen, thymus, tonsils and adenoids. They all have roles in helping our body fight off infections. Unfortunately, like any sewer system, things can go horribly wrong. Sometimes we get infections that cause the pumping to break down. This can cause your arms or legs to swell to huge proportions. Sometimes the debris or other bad substances can make it past lymph nodes. Sometimes cancer cells do this and spread the cancer to other parts of the body, which obviously isn’t good. For now, we wish you all the best for your lymphatic health – which you can help maintain by drinking lots of water and exercising. KEEP ON PUMPING!\u003c/span\u003e\n\u003c/div\u003e\n\u003cdiv class='action-container flex justify-between'\u003e\n\u003cbutton aria-expanded='false' aria-label='Read more description' class='rp-full-description' type='button'\u003e\n\u003ci class='fai fa-solid fa-align-left'\u003e\u003c/i\u003e\n\u003cspan id='read_more'\u003eRead More\u003c/span\u003e\n\u003c/button\u003e\n\u003cdiv class='rp-report'\u003e\n\u003c/div\u003e\n\u003c/div\u003e\n\u003cdiv aria-labelledby='resource-details-heading' class='rp-info-section'\u003e\n\u003ch2 class='title' id='resource-details-heading'\u003eResource Details\u003c/h2\u003e\n\u003cdiv class='rp-resource-details clearfix'\u003e\n\u003cdiv class='detail'\u003e\n\u003cdl\u003e\n\u003cdt\u003eCurator Rating\u003c/dt\u003e\n\u003cdd\u003e\u003cspan class=\"star-rating\" aria-label=\"4.5 out of 5 stars\" role=\"img\"\u003e\u003ci class=\"fa-solid fa-star text-action\" aria-hidden=\"true\"\u003e\u003c/i\u003e\u003ci class=\"fa-solid fa-star 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Type\u003c/dt\u003e\u003cdd\u003e\u003cspan\u003e\u003ca href=\"/search?grade_ids%5B%5D=258\u0026amp;grade_ids%5B%5D=259\u0026amp;grade_ids%5B%5D=252\u0026amp;grade_ids%5B%5D=253\u0026amp;grade_ids%5B%5D=254\u0026amp;grade_ids%5B%5D=255\u0026amp;grade_ids%5B%5D=256\u0026amp;grade_ids%5B%5D=257\u0026amp;search_tab_id=2\u0026amp;type_ids%5B%5D=4543647\"\u003eInstructional Videos\u003c/a\u003e\u003c/span\u003e\u003c/dd\u003e\n\u003c/dl\u003e\n\u003c/div\u003e\n\u003cdiv class='detail'\u003e\n\u003cdl\u003e\n\u003cdt\u003eSource:\u003c/dt\u003e\n\u003cdiv class='preview-source' data-animation='true' data-boundary='.rp-info' data-container='.rp-resource-details' data-html='false' data-title='Education for anyone, anywhere' data-trigger='hover focus'\u003e\n\u003cspan\u003eFuseSchool - Global Education\u003c/span\u003e\n\u003ci aria-hidden='true' class='fa-solid fa-circle-info channel-tooltip-icon' 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called lymphocytes, vessels, waste products, sewer system, destroying, lymph vessels, biology, called, breakdown, lymph\u003c/div\u003e\n\u003cdiv class='keyterms-toggle-buttons' data-identifier='Boclips::VideoDecorator60c366c95559f52679622a4e'\u003e\n\u003cbutton aria-expanded='false' class='more btn-link' type='button'\u003e\n\u003cspan\u003eShow More\u003c/span\u003e\n\u003ci aria-hidden='true' class='fa-solid fa-caret-down ml5'\u003e\u003c/i\u003e\n\u003c/button\u003e\n\u003cbutton aria-expanded='true' class='less btn-link' style='display: none;' type='button'\u003e\n\u003cspan\u003eShow Less\u003c/span\u003e\n\u003ci aria-hidden='true' class='fa-solid fa-caret-up ml5'\u003e\u003c/i\u003e\n\u003c/button\u003e\n\u003c/div\u003e\n\u003c/div\u003e\n\u003c/div\u003e\n\u003cdiv aria-labelledby='classroom-considerations-heading' class='rp-info-section'\u003e\n\u003ch2 class='title' id='classroom-considerations-heading'\u003eClassroom Considerations\u003c/h2\u003e\n\u003cdiv 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