Sagot :
Answer:
a
Explanation:
we excell oxygen and expelled c02
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
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.