You will be given a definition of a task first, then some input of the task.
Given scientific fact as input, generate the question from this fact such that it can be answered from the input.

Along with changes in the shape of the resonant cavity, growth of larynx organ in pubescent boys leads to the difference in predominant frequencies in speech between men and women.
Output:
Along with changes in the shape of the resonant cavity, growth of what organ in pubescent boys leads to the difference in predominant frequencies in speech between men and women?