Salivary Glands and Saliva. 1  parotid glands-produce a serous, watery secretion. 2  submaxillary (mandibular) glands-produce a mixed serous and mucous secretion. 3  sublingual glands-secrete a saliva that is predominantly mucous in character. 4  serous cells, which secrete a watery fluid, essentially devoid of mucus. submaxillary (mandibular) glands-produce a mixed serous and mucous secretion. 2  sublingual glands-secrete a saliva that is predominantly mucous in character. 3  serous cells, which secrete a watery fluid, essentially devoid of mucus. 4  mucous cells, which produce a very mucus-rich secretion.
The California Highway Patrol's Explorer Program is designed for young men and women, 15 to 21 years of age, allowing them to develop the skills and knowledge needed to serve the people of California through discipline and a commitment to serving their community. Explorers assist the CHP both in office and out in the field.
Cruise lines have strict minimum age policies that apply to infants as well as guests under 21 years of age. These age limitations vary by both cruise line and type of itinerary. Some cruise lines also require minors to produce specific documents at time of boarding. It's important to be aware of all of these age and documentation requirements to avoid being denied boarding without refund at time of embarkation.