Which of the following is not a type of non-specific defense?
a. mucus
c. antibiotic
b. tears
d. fever

What is one way in which an active listener can confirm understanding of a message?

Which plan groups foods according to types and indicates how much of each type should be eaten daily for a healthy diet? a.mypyramid plan b.food guide pyramid plan c.dietary guidelines for americans d.dietary pyramid guidelines

Bacteria can cause different infections, check all that apply. a. sore throat b. measles c. ear infection d. flu e. cavities