The skin acts as both a physical and chemical barrier against pathogens. It provides a physical barrier by covering the body and preventing pathogens from entering, and it also has chemical properties, such as the presence of acids and antimicrobial peptides that help to destroy or inhibit the growth of pathogens.
Which acts as both a physical and chemical barrier against pathogens?
skin
blood
mucus
lymph
1 answer
1 answer