Internal defense,”When pathogens penetrate the physical and chemical barriers of the skin and mucous membranes, they encounter a second line of defense: internal antimicrobial substances, phagocytes, natural killer cells

Average Rating
0 out of 5 stars. 0 votes.

Internal defense,”When pathogens penetrate the physical and chemical barriers of the skin and mucous membranes, they encounter a second line of defense: internal antimicrobial substances, phagocytes, natural killer cells

inflammation and fever.”

Leave a Reply

Your email address will not be published. Required fields are marked *