Sagot :
Answer:
Heart
Explanation:
Heart is not a part of respiratotory system. It is the part of circulatory system. Other all are the part of respiratory system. Alveoli - Site of exchange of gases.
Answer:
Explanation:
Heart is not a part of respiratotory system. It is the part of circulatory system. Other all are the part of respiratory system. Alveoli - Site of exchange of gases.