[{"@context":"https:\/\/schema.org\/","@type":"Article","@id":"https:\/\/www.sais.sk\/uzasne-fakty-o-meduzach\/#Article","mainEntityOfPage":"https:\/\/www.sais.sk\/uzasne-fakty-o-meduzach\/","headline":"\u00da\u017easn\u00e9 fakty o med\u00fazach","name":"\u00da\u017easn\u00e9 fakty o med\u00fazach","description":"1) V skuto\u010dnosti nie s\u00fa ryby. Nie s\u00fa to ani stavovce. Med\u00fazy s\u00fa s\u00fa\u010das\u0165ou skupiny morsk\u00fdch \u017eivo\u010d\u00edchov, ktor\u00e9 obsahuj\u00fa \u0161pecializovan\u00e9 bunky na zachytenie potrav\u00edn, ako s\u00fa morsk\u00e9 sasanky a koraly. 2) V podstate s\u00fa vyroben\u00e9 z vody a nervov. Med\u00fazy nemaj\u00fa \u017eiadny mozog, srdce, kosti ani d\u00fdchac\u00ed syst\u00e9m (ich ko\u017ea je tak\u00e1 tenk\u00e1, \u017ee m\u00f4\u017eu...","datePublished":"2018-09-17","dateModified":"2023-04-28","author":{"@type":"Person","@id":"https:\/\/www.sais.sk\/author\/#Person","name":"","url":"https:\/\/www.sais.sk\/author\/","identifier":1,"image":{"@type":"ImageObject","@id":"https:\/\/secure.gravatar.com\/avatar\/e4532b7f65738965bbad8697e5bd54c0628af7bffe8d3c856885c44d86978cee?s=96&d=mm&r=g","url":"https:\/\/secure.gravatar.com\/avatar\/e4532b7f65738965bbad8697e5bd54c0628af7bffe8d3c856885c44d86978cee?s=96&d=mm&r=g","height":96,"width":96}},"publisher":{"@type":"Organization","name":"sais.sk","logo":{"@type":"ImageObject","@id":"\/logo.png","url":"\/logo.png","width":600,"height":60}},"image":{"@type":"ImageObject","@id":"https:\/\/www.sais.sk\/wp-content\/uploads\/img_a291048_w16581_t1536683763.jpg","url":"https:\/\/www.sais.sk\/wp-content\/uploads\/img_a291048_w16581_t1536683763.jpg","height":0,"width":0},"url":"https:\/\/www.sais.sk\/uzasne-fakty-o-meduzach\/","about":["Cestovanie"],"wordCount":380,"articleBody":"1) V skuto\u010dnosti nie s\u00fa ryby. Nie s\u00fa to ani stavovce. Med\u00fazy s\u00fa s\u00fa\u010das\u0165ou skupiny morsk\u00fdch \u017eivo\u010d\u00edchov, ktor\u00e9 obsahuj\u00fa \u0161pecializovan\u00e9 bunky na zachytenie potrav\u00edn, ako s\u00fa morsk\u00e9 sasanky a koraly.2) V podstate s\u00fa vyroben\u00e9 z vody a nervov. Med\u00fazy nemaj\u00fa \u017eiadny mozog, srdce, kosti ani d\u00fdchac\u00ed syst\u00e9m (ich ko\u017ea je tak\u00e1 tenk\u00e1, \u017ee m\u00f4\u017eu okysli\u010dova\u0165 dif\u00faziou) a pozost\u00e1vaj\u00fa z pribli\u017ene 95% vody. Ich nervov\u00fd syst\u00e9m im umo\u017e\u0148uje vn\u00edma\u0165 z\u00e1kladn\u00e9 zmysly ako z\u00e1pach a dotyk. Nepotrebuj\u00fa \u017eiadne in\u00e9 org\u00e1ny.4) Med\u00fazy s\u00fa u\u017e viac ako 650 mili\u00f3nov rokov na tejto plan\u00e9te. Potvrdzuj\u00fa to fos\u00edlne d\u00f4kazy, \u017ee med\u00fazy boli na\u017eive v obdob\u00ed, ktor\u00fd sa datuje e\u0161te predt\u00fdm ako \u017eili dinosaurami, \u010di\u017ee sa rad\u00ed medzi najstar\u0161ie multi-org\u00e1nove stvorenie na plan\u00e9te. Aj toto je jeden z mnoh\u00fdch \u00fa\u017easn\u00fdch faktov o med\u00fazach, ktor\u00e9 sa m\u00f4\u017eete do\u010d\u00edta\u0165 na tejto str\u00e1nke.5) Nie v\u0161etky med\u00fazy p\u00e1lia. Existuj\u00fa niektor\u00e9 druhy med\u00fazy, ako je Zlat\u00e1 Med\u00faza, ktor\u00e9 nepotrebuj\u00fa svoj obrann\u00fd mechanizmus aby sa br\u00e1nili.6) Niektor\u00e9 med\u00fazy s\u00fa jedl\u00e9. Med\u00fazy s\u00fa v niektor\u00fdch \u00e1zijsk\u00fdch kuchyniach vychv\u00e1len\u00e9 ako poch\u00fa\u0165ka : napr\u00edklad v K\u00f3rei sa „med\u00fazov\u00fd sal\u00e1t“ pod\u00e1va na ve\u010dierkoch, svadb\u00e1ch a in\u00fdch sl\u00e1vnostn\u00fdch ve\u010dern\u00fdch hodin\u00e1ch. V Japonsku sa med\u00fazy pou\u017e\u00edvaj\u00fa na v\u00fdrobu r\u00f4znych druhov jed\u00e1l a s\u00fa naozaj v\u00fdborn\u00e9.7) Najmenej jedovat\u00e1 med\u00faza je aj najmen\u0161ia. Pop\u00e1lenie od med\u00fazy Irukandji – meria pribli\u017ene jeden kubick\u00fd centimeter – je 100 kr\u00e1t silnej\u0161\u00ed ako kobry a 1000 kr\u00e1t silnej\u0161ia ako tarantuly. Ke\u010f je obe\u0165 postihnut\u00e1 jednou z t\u00fdchto mal\u00fdch no\u010dn\u00fdch m\u00f4r, obe\u0165 trp\u00ed „Irukand\u017eiho syndr\u00f3mom“: siln\u00e9 bolesti, nevo\u013enos\u0165, potenie, zr\u00fdchlen\u00e1 srdcov\u00e1 frekvencia a zv\u00fd\u0161en\u00fd krvn\u00fd tlak. Ak sa do 20 min\u00fat od pop\u0155hlenia touto malou potvorou nedostav\u00ed pacient k lek\u00e1rovi, pacient umiera na z\u00e1stavu srdca.8) V\u0161etko je jedna diera. \u00c1no, je to spr\u00e1vne: med\u00fazy maj\u00fa jedny \u00fasta, kde konzumuj\u00fa jedlo, vylu\u010duj\u00fa odpad a reprodukuj\u00fa sa.                                                                                                                                                                                                                                                                                                                                                                                        4.3\/5 - (9 votes)        "},{"@context":"https:\/\/schema.org\/","@type":"BreadcrumbList","itemListElement":[{"@type":"ListItem","position":1,"name":"\u00da\u017easn\u00e9 fakty o med\u00fazach","item":"https:\/\/www.sais.sk\/uzasne-fakty-o-meduzach\/#breadcrumbitem"}]}]