Which of the Following Protects Both the Eyes and the Respiratory

Question

Which of the following protects both the eyes and the respiratory tract against infections?
A) interferons produced by immune cells
B) the secretion of complement proteins
C) the release of slightly alkaline secretions
D) the secretion of lysozyme onto their surfaces

Accepted Answer

Lysozyme is an enzyme found in various bodily secretions, such as tears, saliva, and mucus, that has antimicrobial properties. It helps protect both the eyes and the respiratory tract by breaking down the cell walls of bacteria, thus providing a form of innate immunity against infections.