musci 



trach«olas. 



cellulorwol 



Respiratory 

 Sys+«m 



. epKcn«rvc 



.circumoasopbo9«ot 

 coonttc+iv* 



.subftsophageol ^an^lion 



1st thoracic gan9llon 



.2nd thoracic ganglion 



.3rd thoracic ganglion 



-tympanum 



■ obdeminot 

 ganglion 



spirock 



Nervous 

 System 



Fig. 11-22. Dorsal view of the respiratory and nervous systems of the grasshopper. Trachea and a few muscle 

 fibers arc drawn in detail at the left; the spiracle and end of the trachea to the right. 



