CNN’nin haberine g\u00f6re, Amerikal\u0131 bilim insanlar\u0131, Uluslararas\u0131 Uzay \u0130stasyonu’nda kesintisiz neredeyse bir y\u0131l ge\u00e7iren emekli astronot Scott Kelly’nin kalbinin haftada 6 g\u00fcn pedal \u00e7evirmesine veya dayan\u0131kl\u0131l\u0131k egzersizi yapmas\u0131na ra\u011fmen k\u00fc\u00e7\u00fcld\u00fc\u011f\u00fcn\u00fc tespit etti.<\/p>\n
\u00c7al\u0131\u015fman\u0131n ayr\u0131nt\u0131lar\u0131 Amerikan Kalp Vakf\u0131n\u0131n “Circulation” dergisinde yay\u0131mland\u0131.<\/p>\n
Uzmanlar, 27 Mart 2015 ile 1 Mart 2016 aras\u0131nda UU\u0130’de ge\u00e7irdi\u011fi 340 g\u00fcn boyunca Scott Kelly’nin kalbinin sol kar\u0131nc\u0131\u011f\u0131n\u0131n haftada 0,74 gram hacim kaybetti\u011fini bildirdi.<\/p>\n
\u00d6te yandan bu hacim kayb\u0131n\u0131n, kalbin fonksiyonunu etkilemedi\u011fine i\u015faret edilirken Kelly’nin kalbindeki k\u00fc\u00e7\u00fclmenin, 2018’de Pasifik Okyanusu’nu 159 g\u00fcnde ge\u00e7en uzun mesafe y\u00fcz\u00fcc\u00fcs\u00fc Benoit Lecomte’de de g\u00f6zlendi\u011fi ifade edildi.<\/p>\n
Bu iki \u00f6rne\u011fin, uzun s\u00fcre yer \u00e7ekimsiz ortamda kalman\u0131n, kalbin yap\u0131s\u0131n\u0131 de\u011fi\u015ftirdi\u011fini, d\u00fc\u015f\u00fck yo\u011funlukta egzersizin k\u00fc\u00e7\u00fclmeye engel olamad\u0131\u011f\u0131n\u0131 ortaya koydu\u011fu vurguland\u0131.<\/p>\n
Ara\u015ft\u0131rmac\u0131 Dr. Benjamin Levine, “25 y\u0131ld\u0131r kalbin uzay yolculu\u011funa, egzersize ve y\u00fcksek irtifaya nas\u0131l adapte oldu\u011fuyla ilgili y\u00fcr\u00fct\u00fclen \u00e7al\u0131\u015fmalardan \u00f6\u011frendi\u011fim bir \u015fey varsa o da kalbin son derece uyumlu bir organ olmas\u0131 ve bulundu\u011fu yerin taleplerine cevap vermesidir.” de\u011ferlendirmesini yapt\u0131.<\/p>\n
Bilim insanlar\u0131, s\u0131ra d\u0131\u015f\u0131 i\u015fler yapan sadece iki ki\u015fi \u00fczerinde \u00e7al\u0131\u015fma y\u00fcr\u00fctt\u00fcklerini, insan v\u00fccudunun ola\u011fan\u00fcst\u00fc durumlara nas\u0131l tepki verdi\u011fini anlamak i\u00e7in daha fazla ara\u015ft\u0131rma yap\u0131lmas\u0131 gerekti\u011fine vurgu yapt\u0131.<\/p>\n
Kaynak: AA<\/p>\n","protected":false},"excerpt":{"rendered":"
ABD Havac\u0131l\u0131k ve Uzay Ajans\u0131 (NASA), 2030’da Mars’a insan g\u00f6ndermeye haz\u0131rlan\u0131rken, uzayda uzun s\u00fcre ge\u00e7irmenin…<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1,17438],"tags":[],"class_list":["post-70118","post","type-post","status-publish","format-standard","hentry","category-manset","category-yasam"],"views":230,"_links":{"self":[{"href":"https:\/\/www.haberegider.com\/blog\/wp-json\/wp\/v2\/posts\/70118","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.haberegider.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.haberegider.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.haberegider.com\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.haberegider.com\/blog\/wp-json\/wp\/v2\/comments?post=70118"}],"version-history":[{"count":1,"href":"https:\/\/www.haberegider.com\/blog\/wp-json\/wp\/v2\/posts\/70118\/revisions"}],"predecessor-version":[{"id":70120,"href":"https:\/\/www.haberegider.com\/blog\/wp-json\/wp\/v2\/posts\/70118\/revisions\/70120"}],"wp:attachment":[{"href":"https:\/\/www.haberegider.com\/blog\/wp-json\/wp\/v2\/media?parent=70118"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.haberegider.com\/blog\/wp-json\/wp\/v2\/categories?post=70118"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.haberegider.com\/blog\/wp-json\/wp\/v2\/tags?post=70118"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}