Question

question 7 of 10 what is the first defense the body has against a virus? a mucus b. macrophages c. t cells d. lymphocytes

Explanation:

Mucus is a part of the body's physical - barrier first - line defense against pathogens including viruses. Macrophages, T - cells, and lymphocytes are part of the immune response but are not the first defense. Macrophages are phagocytic cells that engulf pathogens, T - cells are involved in cell - mediated immunity, and lymphocytes include B - cells and T - cells which are part of the adaptive immune system.

Answer:

A. Mucus