with diagram explain the respiratory system of snake??
 

The main parts of the snake's respiratory system include nasal cavity, internal and external nares, trachea, glottis, bronchi, lungs and air sac. The nasal cavity joins the internal and external nares. The left and right bronchi leads to left nd right lung respectively. The air sacs in the beginning  part of lungs are responsible for exchanging gas while the air sacs in the second half part of lungs perform the function of regulating pressure in the body.



Hope this information will clear your doubts about the topic.