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.
Merritt_Island. The unincorporated town of Merritt Island is located on Florida's largest island, which serves as the home of NASA's Kennedy Space Center, still a major tourist attraction, even though space shuttles no longer are being launched.