{"id":278,"date":"2011-12-20T16:00:59","date_gmt":"2011-12-20T15:00:59","guid":{"rendered":"http:\/\/blocs.xarxanet.org\/prevencioncolligagirona\/?p=278"},"modified":"2012-01-13T12:11:45","modified_gmt":"2012-01-13T11:11:45","slug":"oxigen-i-energia","status":"publish","type":"post","link":"https:\/\/blocs.xarxanet.org\/prevencioncolligagirona\/oxigen-i-energia\/","title":{"rendered":"Oxigen i energia"},"content":{"rendered":"<p>La respiraci\u00f3 d\u2019O<sub>2<\/sub> \u00e9s un mecanisme per produir energia. \u00c9s a dir, l\u2019O<sub>2<\/sub> que respirem ajuda en el proc\u00e9s d\u2019alliberaci\u00f3 d\u2019energia (glucosa), aquesta s\u2019obt\u00e9 de la digesti\u00f3 dels aliments ingerits. Perqu\u00e8 la glucosa cremi, lentament, necessita O<sub>2<\/sub>, aquesta com que cont\u00e9 carboni, despr\u00e9s de la seva combusti\u00f3 se separa en CO<sub>2 <\/sub>i hidrogen (alliberat en forma de vapor d\u2019aigua). Segons com, aquesta energia es pot transformar en altres energies: la t\u00e8rmica (l\u2019energia, malgrat que s\u2019allibera poc a poc, per no generar explosions violentes, va elevant la temperatura del cos) i la mec\u00e0nica (quant m\u00e9s exercici f\u00edsic es realitzi cal cremar m\u00e9s glucosa, per tant, es necessita m\u00e9s O<sub>2 <\/sub>i cal eliminar m\u00e9s CO<sub>2<\/sub>).<\/p>\n<p><strong>Un fumador per qu\u00e8 es cansa quan fa exercici f\u00edsic?<\/strong><\/p>\n<p>Per tant, si en el cos rep menys oxigen en el cos la glucosa no crema, no hi ha prou energia per resistir l\u2019exercici f\u00edsic.<\/p>\n<p><strong>Per qu\u00e8 la temperatura del cos baixa quan es fuma? <\/strong><\/p>\n<p>Sense l\u2019oxigen necessari no es produeix l\u2019energia que escalfa el cos.<\/p>\n<p>Bibliografia:<\/p>\n<p>GAVIDA, V.; GUILL\u00c9N, E. (1991) <a title=\"Tabac\" href=\"http:\/\/biblioteca.sp.san.gva.es\/biblioteca\/publicaciones\/MATERIAL%5CPUBLICACIONES%5CPROMO_SALUD%5CEDUCACION%5CTABACO\/TABAC_ALUMNE.PDF\">Tabac. Entre ci\u00e8ncia i consci\u00e8ncia. Quadern de l\u2019alumne.<\/a> Val\u00e8ncia: Generalitat Valenciana.<\/p>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>La respiraci\u00f3 d\u2019O2 \u00e9s un mecanisme per produir energia. \u00c9s a dir, l\u2019O2 que respirem ajuda en el proc\u00e9s d\u2019alliberaci\u00f3 d\u2019energia (glucosa), aquesta s\u2019obt\u00e9 de la digesti\u00f3 dels aliments ingerits. Perqu\u00e8 la glucosa cremi, lentament, necessita O2, aquesta com que cont\u00e9 carboni, despr\u00e9s de la seva combusti\u00f3 se separa en CO2 i hidrogen (alliberat en [&hellip;]<\/p>\n","protected":false},"author":86,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1171],"tags":[],"class_list":["post-278","post","type-post","status-publish","format-standard","hentry","category-informacio"],"_links":{"self":[{"href":"https:\/\/blocs.xarxanet.org\/prevencioncolligagirona\/wp-json\/wp\/v2\/posts\/278","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/blocs.xarxanet.org\/prevencioncolligagirona\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/blocs.xarxanet.org\/prevencioncolligagirona\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/blocs.xarxanet.org\/prevencioncolligagirona\/wp-json\/wp\/v2\/users\/86"}],"replies":[{"embeddable":true,"href":"https:\/\/blocs.xarxanet.org\/prevencioncolligagirona\/wp-json\/wp\/v2\/comments?post=278"}],"version-history":[{"count":2,"href":"https:\/\/blocs.xarxanet.org\/prevencioncolligagirona\/wp-json\/wp\/v2\/posts\/278\/revisions"}],"predecessor-version":[{"id":376,"href":"https:\/\/blocs.xarxanet.org\/prevencioncolligagirona\/wp-json\/wp\/v2\/posts\/278\/revisions\/376"}],"wp:attachment":[{"href":"https:\/\/blocs.xarxanet.org\/prevencioncolligagirona\/wp-json\/wp\/v2\/media?parent=278"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/blocs.xarxanet.org\/prevencioncolligagirona\/wp-json\/wp\/v2\/categories?post=278"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/blocs.xarxanet.org\/prevencioncolligagirona\/wp-json\/wp\/v2\/tags?post=278"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}