In humans the three major pairs of these glands secrete into  
In humans the three major pairs of these glands secrete into  Stensen's, Wharton's, and Bartholin's ducts. The largest, the  parotid, is located near the mastoid bone. The other pairs, the  submaxillary and the sublingual, help to produce a mixture of  water, proteins and the enzyme amylase which begins the digestive  process. For ten points, name these glands whose function in dogs  was studied by Ivan Pavlov.
In humans the three major pairs of these glands secrete into  
{salivary} glands