External respiration is

External respiration and Internal respiration

External respiration occurs in the ________________ and internal respiration occurs in the ___________________

External respiration occurs in the ________________ and internal respiration occurs in the ___________________

Name the sites of external respiration inside lungs

External respiration allows the exchangeof carbon dioxide for oxygen at any altitue which of the following is not an adaptaion to living high above the sea level ?

External respiration allows the exchangeof carbon dioxide for oxygen at any altitue which of he following is not an adaptaion to living high abouve the sea level ?

External respiration allows the exchange of carbon dioxide for oxygen at any altitude which of the following is not an adaptation to living high above the sea level ?

External respiration allows the exchangeof carbon dioxide for oxygen at any altitue which of he following is not an adaptaion to living high abouve the sea level ?