Respiration is performed by the intestines in  

During inspiration, the diaphragm 

The type of respiration in mammals is called  

Blood analysis of a patient revealed an unusually high carboxyhemoglobin content. The patient has been inhaling polluted air containing unusually high content of   

Thyroid cartilage is found in  

The respiratory centres, which control inspiration and expiration, are located in  

Book lung are respiratory organs of phylum  

The exchange of gases in the alveoli of the lungs, takes place by  

Respiratory pigment or oxygen carrier in frog’s blood is 

The state, during which the respiratory centre is inhibited, is termed as