{"id":164,"date":"2024-09-04T11:22:46","date_gmt":"2024-09-04T09:22:46","guid":{"rendered":"https:\/\/mruizsvt.fr\/?page_id=164"},"modified":"2024-09-04T11:23:52","modified_gmt":"2024-09-04T09:23:52","slug":"comment-le-corps-est-il-mis-en-mouvement-lors-dun-effort","status":"publish","type":"page","link":"https:\/\/mruizsvt.fr\/index.php\/4-eme\/chapitre-1-le-sport-et-le-systeme-nerveux\/comment-le-corps-est-il-mis-en-mouvement-lors-dun-effort\/","title":{"rendered":"1.1 Comment le corps est-il mis en mouvement lors d\u2019un effort\u00a0?"},"content":{"rendered":"\n<p><\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p class=\"has-text-align-center\"><strong>Exercice classe<\/strong><\/p>\n<\/blockquote>\n\n\n\n<div data-wp-interactive=\"core\/file\" class=\"wp-block-file\"><object data-wp-bind--hidden=\"!state.hasPdfPreview\" hidden class=\"wp-block-file__embed\" data=\"https:\/\/mruizsvt.fr\/wp-content\/uploads\/2024\/09\/exercice-1.pdf\" type=\"application\/pdf\" style=\"width:100%;height:600px\" aria-label=\"Contenu embarqu\u00e9 exercice 1.\"><\/object><a id=\"wp-block-file--media-3ad02f0d-5b40-44d7-a952-02fdc91c1934\" href=\"https:\/\/mruizsvt.fr\/wp-content\/uploads\/2024\/09\/exercice-1.pdf\">exercice 1<\/a><a href=\"https:\/\/mruizsvt.fr\/wp-content\/uploads\/2024\/09\/exercice-1.pdf\" class=\"wp-block-file__button wp-element-button\" download aria-describedby=\"wp-block-file--media-3ad02f0d-5b40-44d7-a952-02fdc91c1934\">T\u00e9l\u00e9charger<\/a><\/div>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p class=\"has-text-align-center\">Correction<\/p>\n<\/blockquote>\n\n\n\n<p>Question 1 : <\/p>\n\n\n\n<p>Au repos un muscle consomme 10 mg de glucose (90mg dans le sang entrant \u2013 80 mg dans le sang sortant = 10mg consomm\u00e9) alors qu\u2019en activit\u00e9 un muscle consomme 40mg de glucose(90mg entrant \u2013 50mg sortant = 40mg consomm\u00e9), les muscles consomme donc davantage de glucose lors d\u2019un efforts. Le m\u00eame constat peut \u00eatre fait pour l\u2019O2, 5mL au repos contre 9mL en activit\u00e9.<\/p>\n\n\n\n<p>Le muscle produit 5mL de Co2 au repos contre 9mL en activit\u00e9 le muscle produit donc plus de d\u00e9chet lors d\u2019un effort physique.<\/p>\n\n\n\n<p><\/p>\n\n\n\n<p>Question 2<\/p>\n\n\n\n<p>Sur le graphique on peut observer que maxime a consomm\u00e9 3.3l\/min de dioxyg\u00e8ne contre\u00a0 2.5 et 1.5 pour Donia et Anne, or c\u2019est maxime qui a atteint l\u2019effort le plus important 300W contre 200 et 250 pour les deux autres, on peut donc en d\u00e9duire que la limite du corps correspond a la capacit\u00e9 a consommer du dioxyg\u00e8ne, plus on peut en consommer plus l\u2019effort pourra etre important.<\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p class=\"has-text-align-center\">Bilan<\/p>\n<\/blockquote>\n\n\n\n<p><\/p>\n\n\n\n<p class=\"has-accent-3-color has-text-color has-link-color wp-elements-1df056d10046ee26fd4e375cc46ee8e9\">\u2022Lors d\u2019un effort, les besoins des muscles augmentent. Ils consomment plus de glucose et de dioxyg\u00e8ne et lib\u00e8rent plus de d\u00e9chet (CO2).<\/p>\n\n\n\n<p class=\"has-accent-3-color has-text-color has-link-color wp-elements-0a75f3271e9ca3c77d263078742e0898\">\u2022Les besoins des muscles sont couverts jusqu\u2019\u00e0 une certaine limite du corps (dioxyg\u00e8ne fournit selon les limites de la respiration). Au-del\u00e0 on atteint l\u2019\u00e9puisement et le corps doit arr\u00eater l\u2019effort.<strong><br><\/strong><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Exercice classe Correction Question 1 : Au repos un muscle consomme 10 mg de glucose (90mg dans le sang entrant \u2013 80 mg dans le sang sortant = 10mg consomm\u00e9) alors qu\u2019en activit\u00e9 un muscle consomme 40mg de glucose(90mg entrant \u2013 50mg sortant = 40mg consomm\u00e9), les muscles consomme donc davantage de glucose lors d\u2019un [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":140,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-164","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/mruizsvt.fr\/index.php\/wp-json\/wp\/v2\/pages\/164","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/mruizsvt.fr\/index.php\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/mruizsvt.fr\/index.php\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/mruizsvt.fr\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/mruizsvt.fr\/index.php\/wp-json\/wp\/v2\/comments?post=164"}],"version-history":[{"count":2,"href":"https:\/\/mruizsvt.fr\/index.php\/wp-json\/wp\/v2\/pages\/164\/revisions"}],"predecessor-version":[{"id":168,"href":"https:\/\/mruizsvt.fr\/index.php\/wp-json\/wp\/v2\/pages\/164\/revisions\/168"}],"up":[{"embeddable":true,"href":"https:\/\/mruizsvt.fr\/index.php\/wp-json\/wp\/v2\/pages\/140"}],"wp:attachment":[{"href":"https:\/\/mruizsvt.fr\/index.php\/wp-json\/wp\/v2\/media?parent=164"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}