Breathing System
From the moment you are born, you breathe – in and out – all day and all night long. When you inhale, your lungs draw in oxygen, a gas in the air that we need to live. The oxygen is then sent through the
Posted in Human Body | Tags : All About Human Breathing System, respiratory system, human breathing system, all about human breathing system for kids, facts about the human respiratory system for kids, all about the respiratory system, facts about the human respiratory system, interesting facts about the respiratory system, amazing facts about the respiratory system, functions of the lungs
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