<Ul> <Li> Decrease in concentration of secretory IgA </Li> <Li> Decrease in the amount of mucin </Li> </Ul> <Li> Decrease in concentration of secretory IgA </Li> <Li> Decrease in the amount of mucin </Li> <P> However, there is no overall change in the amount of saliva secreted . </P>

What type of saliva does the parotid gland secrete