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.
From Wikipedia, the free encyclopedia. Lockheed Martin Space Systems Company is one of the four major business divisions of Lockheed Martin. It has its headquarters in Denver, Colorado with additional sites in Sunnyvale, California; Santa Cruz, California; Huntsville, Alabama; and elsewhere in the US and UK.ockheed Martin Space Systems is now headquartered in Denver, but still does considerable operations from Sunnyvale. Also located near Sunnyvale is Space Technology Advanced Research and Development Laboratories (STAR Laboratories), which is located in Palo Alto.