Question

where do the ducts of the submandibular salivary glands empty into the oral cavity?

Explanation:

The submandibular salivary glands are part of the oral cavity's anatomy. Their ducts open into the oral cavity at specific anatomical locations. By referring to anatomical knowledge, the submandibular ducts (Wharton's ducts) empty into the oral cavity on either side of the frenulum of the tongue, near the base of the lingual frenulum.

Answer:

The ducts of the submandibular salivary glands empty into the oral cavity on either side of the frenulum of the tongue.