Question:
Which one of the following immune system components does not correctly match with its respective role ?
- A. Interferons - Secreted by virus-infected cells and protect non-infected cells from further viral infection.
- B. Macrophages - Mucus-secreting cells that trap microbes entering into the body.
- C. B-Lymphocytes - Produce antibodies in response to pathogens into blood to fight with them.
- D. IgA - Present in colostrum in early days of lactation to protect infants from diseases.