{"id":21022984,"date":"2014-04-09T20:09:29","date_gmt":"2014-04-09T18:09:29","guid":{"rendered":"http:\/\/znanost.geek.hr\/?p=21022984"},"modified":"2016-10-27T23:35:58","modified_gmt":"2016-10-27T21:35:58","slug":"astronauti-se-iz-svemira-vracaju-zaobljenijeg-srca","status":"publish","type":"post","link":"https:\/\/geek.hr\/znanost\/clanak\/astronauti-se-iz-svemira-vracaju-zaobljenijeg-srca\/","title":{"rendered":"Astronauti se iz svemira vra\u0107aju zaobljenijeg srca"},"content":{"rendered":"<p>Kad se astronauti nalaze u beste\u017einskom stanju gdje nema gravitacije, njihovi mi\u0161i\u0107i ne moraju raditi toliko sna\u017eno kao i na Zemlji. Tijekom dugih misija, mi\u0161i\u0107i atrofiraju, \u0161to kod astronauta mo\u017ee uzrokovati problem kad se vrate na Zemlju. No \u0161to se doga\u0111a s najva\u017enijim mi\u0161i\u0107em u ljudskom tijelu &#8211; srcem?<\/p>\n<p><img decoding=\"async\" class=\"aligncenter size-large wp-image-21022990\" alt=\"astronaut\" src=\"https:\/\/geek.hr\/znanost\/wp-content\/uploads\/sites\/14\/2014\/04\/astronaut-720x405.jpg\" width=\"720\" height=\"405\" srcset=\"https:\/\/geek.hr\/znanost\/wp-content\/uploads\/sites\/14\/2014\/04\/astronaut-720x405.jpg 720w, https:\/\/geek.hr\/znanost\/wp-content\/uploads\/sites\/14\/2014\/04\/astronaut-300x169.jpg 300w, https:\/\/geek.hr\/znanost\/wp-content\/uploads\/sites\/14\/2014\/04\/astronaut.jpg 1024w, https:\/\/geek.hr\/znanost\/wp-content\/uploads\/sites\/14\/2014\/04\/astronaut-600x337.jpg 600w\" sizes=\"(max-width: 720px) 100vw, 720px\" \/><\/p>\n<p>Kako bi saznali, 12 astronauta nau\u010dilo je napraviti snimke ultrazvuka svojih srca koje su snimili prije, za vrijeme i nakon misije u Me\u0111unarodnoj svemirskoj postaji. Snimke su pokazale kako se u beste\u017einskom stanju ljudska srca deformiraju i postaju zaobljena. Kad su se vratili na Zemlju, njihova su se srca pro\u0161irila i vratila u normalan oblik. Ovi podaci prezentirani su na godi\u0161njem znanstvenom skupu na American College of Cardiology.<\/p>\n<p>Saznanja o tome kako beste\u017einsko stanje mijenja srce astronauta mo\u017ee pomo\u0107i organizatorima razli\u010ditih misija da sprije\u010de \u0161tetne posljedice dugih svemirskih misija na njihov kardiovaskularni sustav.<\/p>\n<p>Astronauti ve\u0107 sada uo\u010di misija rade posebne vje\u017ebe za razgibavanje mi\u0161i\u0107a, a razvijanje sli\u010dnih vje\u017ebi za njihova srca moglo bi im pomo\u0107i u odr\u017eavanju ovog mi\u0161i\u0107a u formi.<\/p>\n<p style=\"text-align: right;\"><em>Izvor:\u00a0<a href=\"https:\/\/www.scientificamerican.com\/podcast\/episode\/astronaut-heart-shape\/\" target=\"_blank\" rel=\"noopener\">ScientificAmerican<\/a><\/em><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Kad se astronauti nalaze u beste\u017einskom stanju gdje nema gravitacije, njihovi mi\u0161i\u0107i ne moraju raditi toliko sna\u017eno kao i na Zemlji. Tijekom dugih misija, mi\u0161i\u0107i atrofiraju, \u0161to kod astronauta mo\u017ee uzrokovati problem kad se vrate na Zemlju. No \u0161to se doga\u0111a s najva\u017enijim mi\u0161i\u0107em u ljudskom tijelu &#8211; srcem? Kako bi saznali, 12 astronauta nau\u010dilo [&hellip;]<\/p>\n","protected":false},"author":10022,"featured_media":21022990,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_lmt_disableupdate":"","_lmt_disable":"","footnotes":""},"categories":[16368],"tags":[18054,16823,18006],"class_list":["post-21022984","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-oboljenja-i-poremecaji","tag-astronaut","tag-srce","tag-svemir-2"],"modified_by":null,"_links":{"self":[{"href":"https:\/\/geek.hr\/znanost\/wp-json\/wp\/v2\/posts\/21022984","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/geek.hr\/znanost\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/geek.hr\/znanost\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/geek.hr\/znanost\/wp-json\/wp\/v2\/users\/10022"}],"replies":[{"embeddable":true,"href":"https:\/\/geek.hr\/znanost\/wp-json\/wp\/v2\/comments?post=21022984"}],"version-history":[{"count":0,"href":"https:\/\/geek.hr\/znanost\/wp-json\/wp\/v2\/posts\/21022984\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/geek.hr\/znanost\/wp-json\/wp\/v2\/media\/21022990"}],"wp:attachment":[{"href":"https:\/\/geek.hr\/znanost\/wp-json\/wp\/v2\/media?parent=21022984"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/geek.hr\/znanost\/wp-json\/wp\/v2\/categories?post=21022984"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/geek.hr\/znanost\/wp-json\/wp\/v2\/tags?post=21022984"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}