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.
1:25 Required at on-site facilities and during camp trip swimming when off-site facility does not provide qualified lifeguards. 1  Must be at least 17-years-old for on-site and camp trip swimming (50% of required total number of lifeguards on duty may be 16) 2  Wilderness swimming lifeguards must be at least 18-years-old.