{"id":241560,"date":"2018-02-17T09:50:12","date_gmt":"2018-02-17T08:50:12","guid":{"rendered":"http:\/\/www.pcnen.com\/portal\/?p=241560"},"modified":"2018-02-17T09:50:12","modified_gmt":"2018-02-17T08:50:12","slug":"zbog-cega-su-zenske-ruke-zimi-hladnije-od-muskih","status":"publish","type":"post","link":"https:\/\/www.pcnen.com\/portal\/2018\/02\/17\/zbog-cega-su-zenske-ruke-zimi-hladnije-od-muskih\/","title":{"rendered":"Zbog \u010dega su \u017eenske ruke zimi hladnije od mu\u0161kih?"},"content":{"rendered":"<p><a href=\"http:\/\/www.pcnen.com\/portal\/wp-content\/uploads\/2012\/09\/stare-ruke.jpg\"><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/www.pcnen.com\/portal\/wp-content\/uploads\/2012\/09\/stare-ruke-300x225.jpg\" alt=\"\" width=\"300\" height=\"225\" class=\"alignleft size-medium wp-image-94505\" \/><\/a>Nau\u010dnici tvrde da su \u017eenske ruke, u ovo doba godine, hladnije od mu\u0161kih. Zbog toga bi \u017eene i deca trebalo da, tokom zime, \u010de\u0161\u0107e dr\u017ee ruke u d\u017eepovima ili da nose rukavice budu\u0107i da imaju manje mi\u0161i\u0107ne mase koja generi\u0161e toplotu i odr\u017eava telesnu temperaturu.<\/p>\n<p>Nau\u010dnici sa Univerziteta u Kembrid\u017eu testirali su dobrovoljce dr\u017ee\u0107i njihove dlanove tri minuta u ledenoj vodi. Ruke onih koji su imali vi\u0161e mi\u0161i\u0107a ugrejale su se znatno br\u017ee, pokazali su snimci termalne kamere.<\/p>\n<p>Ovo otkri\u0107e iznenadilo je stru\u010dnjake, po\u0161to se pretpostavljalo da je mast va\u017enija kod zagrevanja hladnih ruku. Nau\u010dnici su smatrali da se masne \u0107elije pona\u0161aju kao izolator, ali su mi\u0161i\u0107i ti koji imaju klju\u010dnu ulogu u odr\u017eavanju toplote tela.<\/p>\n<p>Glavna autorka studije, koju je radio tim biolo\u0161kih antropologa, Stefani Pejn ka\u017ee da je &#8220;svest o efektima telesne kompozicije&#8221; na to koliko su nam hladne ruke od presudnog zna\u010daja.<\/p>\n<p>Ova studija, objavljena je u \u010dasopisu American Journal of Physical Anthropology, prva je koja je uspela da navede 114 dobrovoljaca, starih izme\u0111u 18 i 50 godina, da potope svoje ruke u ledenu vodu.<\/p>\n<p>&#8220;Ruke imaju veliku povr\u0161inu u odnosu na zapreminu, \u0161to predstavlja izazov kada je odr\u017eavanje toplotne ravnote\u017ee u hladnim uslovima. Telo je neverovatan dinami\u010dan sistem koji korisiti mi\u0161i\u0107e da generi\u0161e i odr\u017eava telesnu toplotu, uklju\u010duju\u0107i i ruke&#8221;, zaklju\u010duje Pejnova.<\/p>\n<p>Daily Mail\/B92<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Nau\u010dnici tvrde da su \u017eenske ruke, u ovo doba godine, hladnije od mu\u0161kih. Zbog toga bi \u017eene i deca trebalo da, tokom zime, \u010de\u0161\u0107e dr\u017ee ruke u d\u017eepovima ili da nose rukavice budu\u0107i da imaju manje mi\u0161i\u0107ne mase koja generi\u0161e toplotu i odr\u017eava telesnu temperaturu. Nau\u010dnici sa Univerziteta u Kembrid\u017eu testirali su dobrovoljce dr\u017ee\u0107i njihove [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_seopress_robots_primary_cat":"","_seopress_titles_title":"","_seopress_titles_desc":"","_seopress_robots_index":"","_et_pb_use_builder":"","_et_pb_old_content":"","_et_gb_content_width":"","inline_featured_image":false,"footnotes":""},"categories":[8],"tags":[],"class_list":["post-241560","post","type-post","status-publish","format-standard","hentry","category-svastara"],"_links":{"self":[{"href":"https:\/\/www.pcnen.com\/portal\/wp-json\/wp\/v2\/posts\/241560","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.pcnen.com\/portal\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.pcnen.com\/portal\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.pcnen.com\/portal\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.pcnen.com\/portal\/wp-json\/wp\/v2\/comments?post=241560"}],"version-history":[{"count":0,"href":"https:\/\/www.pcnen.com\/portal\/wp-json\/wp\/v2\/posts\/241560\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.pcnen.com\/portal\/wp-json\/wp\/v2\/media?parent=241560"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.pcnen.com\/portal\/wp-json\/wp\/v2\/categories?post=241560"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.pcnen.com\/portal\/wp-json\/wp\/v2\/tags?post=241560"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}