what part of the respiratory system where there is an exchange of gasses occurs and oxygen taken in and carbon dioxide is expelled out?
A. Lungs
B. Diaphragm
C. Nostril
D. Larynx
A. Lungs
B. Diaphragm
C. Nostril
D. Larynx
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Answer:
A. Lungs
Explanation:
the exchange of oxygen and carbon dioxide actually takes place in tiny air sacs called alveoli, which can be found in the lungs.
Answer:
a
Explanation:
we excell oxygen and expelled c02