Write the pathway of oxygen travelling from atmosphere into the human body
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pathway taken by oxygen is as follows,
atmosphere---> nostrils ----> nasal passage ----> pharynx----> trachea----> bronchi---->bronchiols---->alveoli---->alveolies---->blood cappilaries----> heart----> all body parts
I hope this may help you
atmosphere---> nostrils ----> nasal passage ----> pharynx----> trachea----> bronchi---->bronchiols---->alveoli---->alveolies---->blood cappilaries----> heart----> all body parts
I hope this may help you
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nostril trachea bronchus bronchiole alveolus blood tissue
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