CBSE BOARD X, asked by gauravdahiya3264, 1 year ago

Write the pathway of oxygen travelling from atmosphere into the human body

Answers

Answered by Abhishek0151588
15
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
Answered by ishitha0000001
2

nostril trachea bronchus bronchiole alveolus blood tissue

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