Describe in short about saliva gland, its location and types.

Explanation

Main salivary glands are of three types : (i) Parotid gland, (ii) Submandibular gland, (iii) Sublingual gland
(i) Parotid gland : It is the biggest gland. It is located below ear, every side in the front.
(ii) Submandibular gland : Located every side below jaws.
(iii) Sublingual gland : It is located below tongue. Salivary glands are formed by bags like sacs. It forms small chambers.
These glands are located slightly outside the oral cavity. It secretes saliva in oral cavity.