The salivary glands produce saliva to moisten the mouth, to help protect teeth from decay and to digest food. The three major salivary glands are the parotid gland, submandibular gland (also called the submaxillary gland), and sublingual glands.Saliva drains into the mouth through small tubes called ducts. 1  The parotid gland makes 25% of the saliva and drains into the mouth near the upper teeth.he three major salivary glands are the parotid gland, submandibular gland (also called the submaxillary gland), and sublingual glands. Saliva drains into the mouth through small tubes called ducts.
NASA is located in several cities. The Kennedy Space Center, where all of the Shuttle launches occur, is technically in Orsino, Florida -- about 40 miles east of Orlando, Florida. NASA headquarters is in Washington, DC. NASA's Mission Control Center is in Houston, Texas.
MFA is surrounded by a security fence, and access is limited to personnel, residents, and authorized visitors. Although the NASA-Ames property is distinct from the Moffett Federal Airfield property, NASA-Ames is located within the Moffett Field perimeter security fence.) View Larger Map. History. In 1933, the United States Government commissioned Sunnyvale Naval Air Station which was later renamed NAS Moffett Field.