{"id":3406,"date":"2023-01-04T12:01:41","date_gmt":"2023-01-04T12:01:41","guid":{"rendered":"https:\/\/informatiacluj.ro\/ce-se-intampla-cu-corpul-uman-in-zona-mortii-de-pe-muntele-everest\/"},"modified":"2023-01-04T12:01:41","modified_gmt":"2023-01-04T12:01:41","slug":"ce-se-intampla-cu-corpul-uman-in-zona-mortii-de-pe-muntele-everest","status":"publish","type":"post","link":"https:\/\/informatiacluj.ro\/ce-se-intampla-cu-corpul-uman-in-zona-mortii-de-pe-muntele-everest\/","title":{"rendered":"Ce se \u00eent\u00e2mpl\u0103 cu corpul uman \u00een \u201eZona Mor\u021bii\u201d de pe Muntele Everest?"},"content":{"rendered":"

Se \u015ftie c\u0103 corpurile umane func\u021bioneaz\u0103 cel mai bine la nivelul m\u0103rii. La acest nivel, cantitatea de oxigen este adecvat\u0103 pentru creierul \u0219i pl\u0103m\u00e2nii no\u0219tri.
\n\u00cens\u0103, la altitudini mult mai mari, corpul nostru nu poate func\u021biona corect. Dar dac\u0103 alpini\u0219tii doresc s\u0103 urce pe v\u00e2rful Everest, cel mai \u00eenalt v\u00e2rf din lume, la 8.848 de metri deasupra nivelului m\u0103rii, trebuie s\u0103 \u00eenfrunte ceea ce este cunoscut sub numele de \u201ezona mor\u021bii\u201d.
\nDin punct de vedere al vie\u0163ii, la o zon\u0103 cu o altitudine de peste 8.000 de metri, unde exist\u0103 at\u00e2t de pu\u021bin oxigen, organismul \u00eencepe s\u0103 moar\u0103, minut cu minut \u0219i celul\u0103 cu celul\u0103.
\n\u00cen \u201ezona mor\u021bii\u201d, creierul \u0219i pl\u0103m\u00e2nii\u00a0alpini\u0219tilor\u00a0sunt lipsi\u021bi de oxigen, riscul lor de infarct \u0219i accident vascular cerebral este crescut, iar judecata lor devine rapid afectat\u0103.
\n\u00cen opinia sa, \u201eCorpul t\u0103u se stric\u0103 \u0219i, \u00een esen\u021b\u0103, moare. Devine o curs\u0103 contra cronometru\u201d, a declarat Shaunna Burke, un alpinist care a urcat pe Everest \u00een 2005, pentru Business Insider.
\nMuntele Everest, un pericol
\n\u00cen anul 2019, cel pu\u021bin 11 persoane au murit pe Everest, iar aproape to\u021bi au petrecut timp \u00een \u201ezona mor\u021bii\u201d. \u00a0Unele companii de expedi\u021bii au dat vina acestor decese pe aglomera\u021bie, observ\u00e2nd c\u0103 v\u00e2rful a devenit at\u00e2t de sufocat de alpini\u0219ti \u00een timpul unei perioade rare de vreme bun\u0103, \u00eenc\u00e2t oamenii au r\u0103mas bloca\u021bi \u00een \u201ezona mor\u021bii\u201d prea mult timp.
\n\u00cen contextul comparativ, la nivelul m\u0103rii, aerul con\u021bine aproximativ 21% oxigen. Dar la altitudini de peste 3600 de metri, exist\u0103 cu aproximativ 40% mai pu\u021bine molecule de oxigen pe respira\u021bie.
\nConcret, Jeremy Windsor, un medic care a escaladat Everestul \u00een 2007, ca parte a expedi\u021biei Caudwell Xtreme Everest, i-a spus bloggerului Mark Horrell c\u0103 probele de s\u00e2nge prelevate de la patru alpini\u0219ti din zona mor\u021bii au dezv\u0103luit c\u0103 alpini\u0219tii supravie\u021buiau cu doar un sfert din oxigenul pe care \u00eel aveau necesar la nivelul m\u0103rii.
\nLa cinci mile deasupra nivelului m\u0103rii, aerul are at\u00e2t de pu\u021bin oxigen \u00eenc\u00e2t, chiar \u0219i cu rezervoare suplimentare de aer, se poate sim\u021bi ca \u201ea alerga pe o band\u0103 de alergare \u0219i a respira printr-un pai\u201d, potrivit alpinistului \u0219i regizorului David Breashears.
\nDin punct de vedere medicl, lipsa de oxigen duce la nenum\u0103rate riscuri pentru s\u0103n\u0103tate. C\u00e2nd cantitatea de oxigen din s\u00e2nge scade sub un anumit nivel, ritmul cardiac cre\u0219te p\u00e2n\u0103 la 140 de b\u0103t\u0103i pe minut, cresc\u00e2nd riscul unui atac de cord.<\/p>\n","protected":false},"excerpt":{"rendered":"

Se \u015ftie c\u0103 corpurile umane func\u021bioneaz\u0103 cel mai bine la nivelul m\u0103rii. La acest nivel, cantitatea de oxigen este adecvat\u0103 pentru creierul \u0219i pl\u0103m\u00e2nii no\u0219tri. \u00cens\u0103, la altitudini mult mai mari, corpul nostru nu poate func\u021biona corect. Dar dac\u0103 alpini\u0219tii doresc s\u0103 urce pe v\u00e2rful Everest, cel mai \u00eenalt v\u00e2rf din lume, la 8.848 de […]<\/p>\n","protected":false},"author":1,"featured_media":3407,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"tdm_status":"","tdm_grid_status":"","footnotes":""},"categories":[51],"tags":[30],"yoast_head":"\nCe se \u00eent\u00e2mpl\u0103 cu corpul uman \u00een \u201eZona Mor\u021bii\u201d de pe Muntele Everest? - InformatiaCluj.ro<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/informatiacluj.ro\/ce-se-intampla-cu-corpul-uman-in-zona-mortii-de-pe-muntele-everest\/\" \/>\n<meta property=\"og:locale\" content=\"ro_RO\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Ce se \u00eent\u00e2mpl\u0103 cu corpul uman \u00een \u201eZona Mor\u021bii\u201d de pe Muntele Everest? - InformatiaCluj.ro\" \/>\n<meta property=\"og:description\" content=\"Se \u015ftie c\u0103 corpurile umane func\u021bioneaz\u0103 cel mai bine la nivelul m\u0103rii. 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Dar dac\u0103 alpini\u0219tii doresc s\u0103 urce pe v\u00e2rful Everest, cel mai \u00eenalt v\u00e2rf din lume, la 8.848 de […]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/informatiacluj.ro\/ce-se-intampla-cu-corpul-uman-in-zona-mortii-de-pe-muntele-everest\/\" \/>\n<meta property=\"og:site_name\" content=\"InformatiaCluj.ro\" \/>\n<meta property=\"article:published_time\" content=\"2023-01-04T12:01:41+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/informatiacluj.ro\/wp-content\/uploads\/2022\/12\/informatia_cluj_default-1.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"1920\" \/>\n\t<meta property=\"og:image:height\" content=\"1080\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"author\" content=\"Informatiacluj.ro\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Scris de\" \/>\n\t<meta name=\"twitter:data1\" content=\"Informatiacluj.ro\" \/>\n\t<meta name=\"twitter:label2\" content=\"Timp estimat pentru citire\" \/>\n\t<meta name=\"twitter:data2\" content=\"2 minute\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\/\/informatiacluj.ro\/ce-se-intampla-cu-corpul-uman-in-zona-mortii-de-pe-muntele-everest\/#article\",\"isPartOf\":{\"@id\":\"https:\/\/informatiacluj.ro\/ce-se-intampla-cu-corpul-uman-in-zona-mortii-de-pe-muntele-everest\/\"},\"author\":{\"name\":\"Informatiacluj.ro\",\"@id\":\"https:\/\/informatiacluj.ro\/#\/schema\/person\/6a47224a43006fc8885c9237a5976a15\"},\"headline\":\"Ce se \u00eent\u00e2mpl\u0103 cu corpul uman \u00een \u201eZona Mor\u021bii\u201d de pe Muntele Everest?\",\"datePublished\":\"2023-01-04T12:01:41+00:00\",\"dateModified\":\"2023-01-04T12:01:41+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\/\/informatiacluj.ro\/ce-se-intampla-cu-corpul-uman-in-zona-mortii-de-pe-muntele-everest\/\"},\"wordCount\":460,\"publisher\":{\"@id\":\"https:\/\/informatiacluj.ro\/#organization\"},\"keywords\":[\"Businesscover.ro\"],\"articleSection\":[\"Externe\"],\"inLanguage\":\"ro-RO\"},{\"@type\":\"WebPage\",\"@id\":\"https:\/\/informatiacluj.ro\/ce-se-intampla-cu-corpul-uman-in-zona-mortii-de-pe-muntele-everest\/\",\"url\":\"https:\/\/informatiacluj.ro\/ce-se-intampla-cu-corpul-uman-in-zona-mortii-de-pe-muntele-everest\/\",\"name\":\"Ce se \u00eent\u00e2mpl\u0103 cu corpul uman \u00een \u201eZona Mor\u021bii\u201d de pe Muntele Everest? 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