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

La función fundamental de los ganglios basales es
The fundamental function of the basal ganglia is

En fibras musculares lisas
In smooth muscle fibers

En la valoración de una base fuerte con un ácido fuerte (a 25 ºC)

In the assessment of a strong base with a strong acid (at 25ºC)