Os peixes podem respirar na \u00e1gua gra\u00e7as ao desenho especial dos seus corpos.<\/p>\n
Claro que necessitam de respirar oxig\u00e9nio e o oxig\u00e9nio encontra-se na \u00e1gua.<\/p>\n
Os animais de terra t\u00eam pulm\u00f5es com os quais podem absorver o oxig\u00e9nio do ar, mas n\u00e3o da \u00e1gua. Os peixes n\u00e3o t\u00eam pulm\u00f5es, t\u00eam guelras com as quais obt\u00eam o oxig\u00e9nio da \u00e1gua.<\/p>\n
Quando um peixe respira, entra \u00e1gua na boca, que volta a expulsar por uns orif\u00edcios existentes debaixo das guelras, ficando apenas o oxig\u00e9nio.<\/p>\n","protected":false},"excerpt":{"rendered":"
Os peixes podem respirar na \u00e1gua gra\u00e7as ao desenho especial dos seus corpos. Claro que necessitam de respirar oxig\u00e9nio e o oxig\u00e9nio encontra-se na \u00e1gua. Os animais de terra t\u00eam pulm\u00f5es com os quais podem absorver o oxig\u00e9nio do ar, mas n\u00e3o da \u00e1gua. Os peixes n\u00e3o t\u00eam pulm\u00f5es, t\u00eam guelras com as quais obt\u00eam […]<\/p>\n","protected":false},"author":6,"featured_media":674,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[9],"tags":[],"concelhos":[],"class_list":["post-334","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-pais-e-profs"],"better_featured_image":{"id":674,"alt_text":"","caption":"","description":"","media_type":"image","media_details":{"width":1280,"height":800,"hwstring_small":"height='80' width='128'","file":"2014\/08\/guelras.png","sizes":{"thumbnail":{"file":"guelras-250x250.png","width":250,"height":250,"mime-type":"image\/png","path":"2014\/08\/guelras-250x250.png","url":"https:\/\/beira.pt\/coolkids\/wp-content\/uploads\/sites\/7\/2014\/08\/guelras-250x250.png","source_url":"https:\/\/i0.wp.com\/beira.pt\/coolkids\/wp-content\/uploads\/sites\/7\/2014\/08\/guelras.png?resize=250%2C250&ssl=1"},"medium":{"file":"guelras-712x445.png","width":712,"height":445,"mime-type":"image\/png","path":"2014\/08\/guelras-712x445.png","url":"https:\/\/beira.pt\/coolkids\/wp-content\/uploads\/sites\/7\/2014\/08\/guelras-712x445.png","source_url":"https:\/\/i0.wp.com\/beira.pt\/coolkids\/wp-content\/uploads\/sites\/7\/2014\/08\/guelras.png?resize=712%2C445&ssl=1"},"brhmdwu":{"file":"guelras-74x74.png","width":74,"height":74,"mime-type":"image\/png","source_url":"https:\/\/i0.wp.com\/beira.pt\/coolkids\/wp-content\/uploads\/sites\/7\/2014\/08\/guelras.png?resize=74%2C74&ssl=1"}},"image_meta":{"aperture":"0","credit":"","camera":"","caption":"","created_timestamp":"0","copyright":"","focal_length":"0","iso":"0","shutter_speed":"0","title":"","orientation":"0","keywords":[]}},"post":334,"source_url":"https:\/\/beira.pt\/coolkids\/wp-content\/uploads\/sites\/7\/2014\/08\/guelras.png"},"acf":{"destacar_na_pagina_principal":"homeo"},"jetpack_featured_media_url":"https:\/\/i0.wp.com\/beira.pt\/coolkids\/wp-content\/uploads\/sites\/7\/2014\/08\/guelras.png?fit=1280%2C800&ssl=1","_links":{"self":[{"href":"https:\/\/beira.pt\/coolkids\/wp-json\/wp\/v2\/posts\/334","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/beira.pt\/coolkids\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/beira.pt\/coolkids\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/beira.pt\/coolkids\/wp-json\/wp\/v2\/users\/6"}],"replies":[{"embeddable":true,"href":"https:\/\/beira.pt\/coolkids\/wp-json\/wp\/v2\/comments?post=334"}],"version-history":[{"count":1,"href":"https:\/\/beira.pt\/coolkids\/wp-json\/wp\/v2\/posts\/334\/revisions"}],"predecessor-version":[{"id":1150,"href":"https:\/\/beira.pt\/coolkids\/wp-json\/wp\/v2\/posts\/334\/revisions\/1150"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/beira.pt\/coolkids\/wp-json\/wp\/v2\/media\/674"}],"wp:attachment":[{"href":"https:\/\/beira.pt\/coolkids\/wp-json\/wp\/v2\/media?parent=334"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/beira.pt\/coolkids\/wp-json\/wp\/v2\/categories?post=334"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/beira.pt\/coolkids\/wp-json\/wp\/v2\/tags?post=334"},{"taxonomy":"concelhos","embeddable":true,"href":"https:\/\/beira.pt\/coolkids\/wp-json\/wp\/v2\/concelhos?post=334"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}