<Li> Salpingopharyngeus (innervated by the vagus nerve) </Li> <Li> Tensor tympani (innervated by the mandibular nerve of CN V) </Li> <Li> Tensor veli palatini (innervated by the mandibular nerve of CN V) </Li> <P> The tube is opened during swallowing by contraction of the tensor veli palatini and levator veli palatini, muscles of the soft palate . </P>

What is the function of the eustachian tubes