Answer:
The correct answer is serous glands.
Explanation:
The serous glands comprise serous acini, an array of serous cells, which discharge serous fluid isotonic with the plasma of the blood that constitutes enzymes like alpha-amylase. They are most predominant in the lacrimal and the parotid gland, however, are also found in the submandibular gland, and to some extent in the sublingual gland.
