Q. Which of the following are considered as cellular barrier of the body?

A) Lymphocytes
B) Neutrophils
C) Macrophages
D) All of these
Explanation

All of these. Certain types of leukocytes (WBC) of our body like Polymorpho-Nuclear Leukocytes (PMNL-neutrophils), monocytes and natural killer (type of lymphocytes) in the blood as well as macrophages in tissues can phagocytose and destroy microbes. These all are cellular barriers

Dr. Abubacker
Reviewed by Dr. Abubacker

Physics Educator & NEET/JEE Specialist

Ph.D. in Physics with 19+ years of teaching experience.