446 FIV.DE: 
Each division has its reflex centres and is not disturbed by 
cramp or interrupted respiratory movements of the neighboring 
division. 
4. Each ganglion of the cord constitutes an automatic and 
reflex centre for the respiratory movements. 
5. The anterior nerves of the ganglia contain sensory 
fibres, and the posterior nerves, both sensory and motor fibres. 
