Which of the following statements are true of innate immunity? (Read carefully and select all of the correct statements.)

A)Inflammation is a response to injury and involves the release of histamine and leukotrienes.
B)Lysozyme is an antiviral enzyme found in saliva.
C)Interferon is an antibacterial chemical produced by macrophages.
D)The unbroken stratum corneum is an excellent barrier to pathogens.
E)Cilia sweep mucus and trapped pathogens out of the respiratory and digestive tracts.
F)Macrophages, Langerhans cells, basophils, and mast cells all contribute to innate immunity.
G)Neutrophils are phagocytic WBCs.
H)Two signs of inflammation are heat and pain.