Les modifications du corps pendant un effort

Lycée

Les modifications du corps pendant un effort

Chapitre 2 : les modifications du corps pendant un effort Problème : comment notre corps s’adapte-t-il face à l’effort ? Comment sont assurés les apports de nutriments et de dioxygène au cours d’un effort ? I – Les besoins d’un muscle rappel des cours de SVT en 5ème Au cours d’un effort, on observe 3 modifications dans le corps :

5ème

La circulation sanguine – Cours de SVT 5ème

Comment notre sang est-il mis en mouvement dans notre corps ? Quelles sont les conséquences d’un mauvais fonctionnement du système cardio-vasculaire ? I – Le coeur : le moteur de la circulation sanguine TP observation d’un coeur de porc – Quelle est la couleur du coeur ? Pourquoi ? – Quelles sont ses dimensions ? – Quelle est sa masse

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