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.
Florida's Space Coast surrounding Merritt Island, seen from the International Space Station. The Space Coast is a region in the U.S. state of Florida around Kennedy Space Center (KSC) and Cape Canaveral Air Force Station. All of NASA-launched manned spaceflights (running from Project Mercury in 1961 to the end of the Space Shuttle program in 2011) have departed from either KSC or Cape Canaveral.