In this task, you are given a sentence in the Spanish language. Your task is to translate the Spanish sentence into the English language.

[Q]: En el sistema parasimpático
[A]: In the parasympathetic system


[Q]: En el tratamiento del asma se puede utilizar a demanda
[A]: In the treatment of asthma can be used on demand


[Q]: El obturador o fiador en una cánula de traqueotomía sirve para
[A]:
The obturator or catheter in a tracheostomy cannula serves to