Science STD 7 ch 10 respiration in animates

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                                                         respiration is a process for which animates can breathe.... we all take oxygen from atmosphere and exhale carbon dioxide to the atmosphere....... animates like human animals and all other creature take a oxygen in the mouth and then goes inside the body give us breath and the carbon dioxide comes out from the body........

on the opposite side of this world  another conducting coil was wound and connected to the galvanometer when electric current is passed through the coil and connected to a battery it acts like a magnet and produce magnetic field lines...... respiration is a useful process and necessary process for animates......