20100025120024 20100025120024

15-10-2020
Geography

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what is the pathway for co2 in our respiratory system?

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lunavaleria77 lunavaleria77

15-10-2020

Pathway of air: nasal cavities (or oral cavity) > pharynx > trachea > primary bronchi (right & left) > secondary bronchi > tertiary bronchi > bronchioles > alveoli (site of gas exchange)

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